46295 + Interview Questions in Chemistry Page 64 InterviewSolution

3151.	Exophthalmic goitre is caused by:
Answer» Exophthalmic goitre is caused by:

Discussion

3152.	The coagulating power of electrolytes having ions Na+,Al3+ and Ba2+ for arsenic sulphide sol increases in the order:
Answer» The coagulating power of electrolytes having ions $N a^{+}, A l^{3 +}$ and $B a^{2 +}$ for arsenic sulphide sol increases in the order:

Discussion

3153.	For a gas having molar mass M, specific heat at constant pressure is given by:
Answer» For a gas having molar mass $M$ , specific heat at constant pressure is given by:

Discussion

3154.	Propose structures for hydrocarbons that give the following products on oxidative cleavage by KMnO4 or O3:HOOC(CH2)8COOH
Answer» Propose structures for hydrocarbons that give the following products on oxidative cleavage by $K M n O_{4}$ or $O_{3}$ : $H O O C (C H_{2})_{8} C O O H$

Discussion

3155.	7.A U tube is partially filled with water and immiscible oil having density 0.8 gram per centimetre cube is poured into one side until water rises by 25 CM on the other side. the level of oil will stand higher than the water level by
Answer» 7.A U tube is partially filled with water and immiscible oil having density 0.8 gram per centimetre cube is poured into one side until water rises by 25 CM on the other side. the level of oil will stand higher than the water level by

Discussion

3156.	Why is isopropyl amine less basic than n-propyl amine?
Answer» Why is isopropyl amine less basic than n-propyl amine?

Discussion

3157.	Find the total number of species having bent shape.I−3, NO+2, H2S, OCl2, XeF2, SO2, NOCl
Answer» Find the total number of species having bent shape. $I_{3}^{-}, N O_{2}^{+}, H_{2} S, O C l_{2}, X e F_{2}, S O_{2}, N O C l$

Discussion

3158.	Calulate the no of moles in 6.023×10^{23}atoms of O in CO_{
Answer» Calulate the no of moles in 6.023×10^{23}atoms of O in CO_{

Discussion

3159.	If the body centered unit cell is assumed to be a cube of edge length 'a' containing spherical particles of radius 'r' then the relation between the diameter d of particle and surface area 'S' of the BCC is:
Answer» If the body centered unit cell is assumed to be a cube of edge length 'a' containing spherical particles of radius 'r' then the relation between the diameter d of particle and surface area 'S' of the BCC is:

Discussion

3160.	Choose the correct stability order of the given resonating structures :
Answer» Choose the correct stability order of the given resonating structures :

Discussion

3161.	At equimolar concentration of Fe2+ and Fe3+, what must [Ag+] be so that the voltage of the galvanic cell made from (Ag+/Ag and Fe3+/Fe2+) electrodes equals zero? The reaction is Fe2++Ag+⇌Fe3++Ag. (Given: E0Ag+/Ag=0.799 volt and E0Fe+/Fe2+=0.771 volt., 10−0.47=2.94) Give your answer upto two decimal only.
Answer» At equimolar concentration of $F e^{2 +} and F e^{3 +}$ , what must $[A g^{+}]$ be so that the voltage of the galvanic cell made from $(A g^{+} / A g and F e^{3 +} / F e^{2 +})$ electrodes equals zero? The reaction is $F e^{2 +} + A g^{+} ⇌ F e^{3 +} + A g$ . (Given: $E_{A g^{+} / A g}^{0} = 0.799$ volt and $E_{F e^{+} / F e^{2 +}}^{0} = 0.771 volt., 10^{- 0.47} = 2.94)$ Give your answer upto two decimal only.

Discussion

3162.	what is the name of compound [Pt(NH3)2Cl(NH2CH3)[Cl/
Answer» what is the name of compound [Pt(NH3)2Cl(NH2CH3)[Cl/

Discussion

3163.	For hydrogen storage, which of the following materials are highly suitable?
Answer» For hydrogen storage, which of the following materials are highly suitable?

Discussion

3164.	In hydrogen spectrum what does we derive wavelenght equation
Answer» In hydrogen spectrum what does we derive wavelenght equation

Discussion

3165.	what volume of solution of HCL containing 73 gram per litre would sufficient gor the exact neutralization NaOH obtained by allowing 0.46g of metallic sodium to react with water.
Answer» what volume of solution of HCL containing 73 gram per litre would sufficient gor the exact neutralization NaOH obtained by allowing 0.46g of metallic sodium to react with water.

Discussion

3166.	If a constitute particle is missing from the lattice site,the defect is known as __.
Answer» If a constitute particle is missing from the lattice site,the defect is known as __.

Discussion

3167.	The mole fraction of a solution of acetone (C3H6O) in heptane (C7H16) is 0.1 , Its molality is:
Answer» The mole fraction of a solution of acetone $(C_{3} H_{6} O)$ in heptane $(C_{7} H_{16})$ is 0.1 , Its molality is:

Discussion

3168.	Identify the wrong statements in the following
Answer» Identify the wrong statements in the following

Discussion

3169.	Molarity of 0.6N aluminium sulphate is?
Answer» Molarity of 0.6N aluminium sulphate is?

Discussion

3170.	Protactinium or Pa (Z = 91) =[Rn]5f26d17s2 Why we are writing [Rn]? Why 5f2 and Not 5f14?
Answer» Protactinium or Pa (Z = 91) =[Rn]5f26d17s2 Why we are writing [Rn]? Why 5f2 and Not 5f14?

3170.

Protactinium or Pa (Z = 91) =[Rn]5f26d17s2 Why we are writing [Rn]? Why 5f2 and Not 5f14?

Answer»

Protactinium or Pa (Z = 91) =[Rn]5f26d17s2

Why we are writing [Rn]? Why 5f2 and Not 5f14?

Discussion

3171.	Comparethe relative stability of the following species and indicate theirmagnetic properties; O2,,(superoxide), (peroxide)
Answer» Compare the relative stability of the following species and indicate their magnetic properties; O₂,, (superoxide), (peroxide)

3171.

Comparethe relative stability of the following species and indicate theirmagnetic properties; O2,,(superoxide), (peroxide)

Answer»

Compare
the relative stability of the following species and indicate their
magnetic properties;

O₂,,
(superoxide),
(peroxide)

Discussion

3172.	The structure of the product D would be :
Answer» The structure of the product D would be :

Discussion

3173.	If the wavelength of the first line of Balmer series of hydrogen is 6561 ˚A. The wavelength of the second line of the series should be-
Answer» If the wavelength of the first line of Balmer series of hydrogen is $6561 ˚ A$ . The wavelength of the second line of the series should be-

Discussion

3174.	Which of the following cannot undergo E2 reaction?
Answer» Which of the following cannot undergo $E 2$ reaction?

Discussion

3175.	when the temperature of a gas is constant at 20degree celcius and pressure is changed from P1 1.0110^5 pa to P2 = 1.16510^5pa then the volume changes by 10% the bulk modlus of the gas is
Answer» when the temperature of a gas is constant at 20degree celcius and pressure is changed from P1 1.0110^5 pa to P2 = 1.16510^5pa then the volume changes by 10% the bulk modlus of the gas is

Discussion

3176.	39.Relation between spontaneity,rate constant and exothermic reaction.
Answer» 39.Relation between spontaneity,rate constant and exothermic reaction.

Discussion

3177.	Which of the following has the lowest 'C-O' bond strength?
Answer» Which of the following has the lowest 'C-O' bond strength?

Discussion

3178.	Two closed bulbs of equal volume (V) containing an ideal gas initially at pressure Pi and temperature T1 are connected through a narrow tube of negligible volume as shown in the figure below. The temperature of one of the bulbs is then raised to T2. The final pressure Pf is:
Answer» Two closed bulbs of equal volume (V) containing an ideal gas initially at pressure $P_{i} and temperature T_{1}$ are connected through a narrow tube of negligible volume as shown in the figure below. The temperature of one of the bulbs is then raised to $T_{2}$ . The final pressure $P_{f}$ is:

Discussion

3179.	K1 and K2 for dissociation of H2S are 4×10−3 and 1×10−5. Calculate sulphide ion concentration in 0.1 MH2S solution.
Answer» $K_{1}$ and $K_{2}$ for dissociation of $H_{2} S$ are $4 \times 10^{- 3}$ and $1 \times 10^{- 5}$ . Calculate sulphide ion concentration in $0.1$ $M H_{2} S$ solution.

Discussion

3180.	The eccentricity of a hyperbola is √5/2 then it's length of latusrectum
Answer» The eccentricity of a hyperbola is √5/2 then it's length of latusrectum

Discussion

3181.	3. what will be the vapour pressure of 5%w/v aqueous solution of urea at 298 k(if vapour pressure of water is 0.025bar)
Answer» 3. what will be the vapour pressure of 5%w/v aqueous solution of urea at 298 k(if vapour pressure of water is 0.025bar)

Discussion

3182.	which alkene on ozonlysis gives CH3CH2CHO,CH3COCH3 EXPLAIN FULL MECHANISM
Answer» which alkene on ozonlysis gives CH3CH2CHO,CH3COCH3 EXPLAIN FULL MECHANISM

Discussion

3183.	Why do acids not show acidic behaviour in the absence of water?
Answer» Why do acids not show acidic behaviour in the absence of water?

Discussion

3184.	Give evidence that[Co(NH3)5Cl]SO4 and [Co(NH3)5SO4]Clare ionization isomers.
Answer» Give evidence that [Co(NH₃)₅Cl]SO₄ and [Co(NH₃)₅SO₄]Cl are ionization isomers.

Discussion

3185.	graph between E and r for E due to a short dipole on axial line.
Answer» graph between E and r for E due to a short dipole on axial line.

Discussion

3186.	In acidic medium if potassium permanganate is used as an oxidizing agent, we get
Answer» In acidic medium if potassium permanganate is used as an oxidizing agent, we get

Discussion

3187.	What is meaning of // and / in the question number 1 of Sub topic Venn Diagram in the Study Material ( Work Book) sent by Byjus through email? Draw Venn Diagram of (AUB) // (A-B)/
Answer» What is meaning of // and / in the question number 1 of Sub topic Venn Diagram in the Study Material ( Work Book) sent by Byjus through email? Draw Venn Diagram of (AUB) // (A-B)/

3187.

What is meaning of // and / in the question number 1 of Sub topic Venn Diagram in the Study Material ( Work Book) sent by Byjus through email? Draw Venn Diagram of (AUB) // (A-B)/

Answer»

What is meaning of // and / in the question number 1 of Sub topic Venn Diagram in the Study Material ( Work Book) sent by Byjus through email?

Draw Venn Diagram of (AUB) // (A-B)/

Discussion

3188.	For a cell involving one electron ,E^0cell =0.59Vat 298 Kthe equlibrium constsnt for the cell reaction is given that 2.303RT/F=0.059V at T=298K
Answer» For a cell involving one electron ,E^0cell =0.59Vat 298 Kthe equlibrium constsnt for the cell reaction is given that 2.303RT/F=0.059V at T=298K

Discussion

3189.	Initially a gas of diatomic molecules is contained in a cylinder of volume V1 at a pressure P1 and temperature 250 K. Assuming that 25 % of the molecules get dissociated causing a change in number of moles. The pressure of the resulting gas at temperature 2000 K, when contained in a volume 2V1 is given by P2. The ratio P2/P1 is
Answer» Initially a gas of diatomic molecules is contained in a cylinder of volume $V_{1}$ at a pressure $P_{1}$ and temperature $250 K$ . Assuming that $25 %$ of the molecules get dissociated causing a change in number of moles. The pressure of the resulting gas at temperature $2000 K$ , when contained in a volume $2 V_{1}$ is given by $P_{2}$ . The ratio $P_{2} / P_{1}$ is

Discussion

3190.	For a reaction, X2(g) + Y2(g) Image not p 2XY(g)If ∆G(r) = 20 kJ/mol and ∆S(r) = –20 JK–1mol–1 at 200 K. Calculate ∆H(r) not present at 400 K(Given ∆rCP = 20 JK–1mol–1)
Answer» For a reaction, X2(g) + Y2(g) Image not p 2XY(g) If ∆G(r) = 20 kJ/mol and ∆S(r) = –20 JK–1mol–1 at 200 K. Calculate ∆H(r) not present at 400 K (Given ∆rCP = 20 JK–1mol–1)

Discussion

3191.	Which of the following statements is incorrect about amorphous solids?
Answer» Which of the following statements is incorrect about amorphous solids?

Discussion

3192.	Reducing nature of the hydrides of group VA follow the order
Answer» Reducing nature of the hydrides of group VA follow the order

Discussion

3193.	The molal elevation constant of water = 0.520C. The boiling point of 1.0 molal aqueous KCl solution (assuming complete dissociation of KCl), therefore, should be
Answer» The molal elevation constant of water = 0.52⁰C. The boiling point of 1.0 molal aqueous KCl solution (assuming complete dissociation of KCl), therefore, should be

Discussion

3194.	Bakelite is obtained from phenol by reaction with
Answer» Bakelite is obtained from phenol by reaction with

Discussion

3195.	Heat given to a system under isochoric process is equal to:
Answer» Heat given to a system under isochoric process is equal to:

Discussion

3196.	49. The colorless species is A. VCl3 B. VOSO4 C.Na3VO4 D.[V(H2O)6]SO4.H2O
Answer» 49. The colorless species is A. VCl3 B. VOSO4 C.Na3VO4 D.[V(H2O)6]SO4.H2O

Discussion

3197.	The product of the reaction is:
Answer» The product of the reaction is:

Discussion

3198.	Which of the following compounds will not give benzoic acid with KMnO4/HO−/Heat.
Answer» Which of the following compounds will not give benzoic acid with $K M n O_{4} / H O^{-} / H e a t$ .

Discussion

3199.	63. For which of the following sets of four quantum numbers ,an electron will have the highest energy ? n l m s (1) 3 2 1 +1/2 (2) 4 2 -1 +1/2 (3) 4 1 0 -1/2 (4)5 0 0 -1/2
Answer» 63. For which of the following sets of four quantum numbers ,an electron will have the highest energy ? n l m s (1) 3 2 1 +1/2 (2) 4 2 -1 +1/2 (3) 4 1 0 -1/2 (4)5 0 0 -1/2

Discussion

3200.	What is poiseuilles equation?
Answer» What is poiseuilles equation?

Discussion

Explore topic-wise InterviewSolutions in .

Exophthalmic goitre is caused by:

The coagulating power of electrolytes having ions Na+,Al3+ and Ba2+ for arsenic sulphide sol increases in the order:

For a gas having molar mass M, specific heat at constant pressure is given by:

Propose structures for hydrocarbons that give the following products on oxidative cleavage by KMnO4 or O3:HOOC(CH2)8COOH

7.A U tube is partially filled with water and immiscible oil having density 0.8 gram per centimetre cube is poured into one side until water rises by 25 CM on the other side. the level of oil will stand higher than the water level by

Why is isopropyl amine less basic than n-propyl amine?

Find the total number of species having bent shape.I−3, NO+2, H2S, OCl2, XeF2, SO2, NOCl

Calulate the no of moles in 6.023×10^{23}atoms of O in CO_{

If the body centered unit cell is assumed to be a cube of edge length 'a' containing spherical particles of radius 'r' then the relation between the diameter d of particle and surface area 'S' of the BCC is:

Choose the correct stability order of the given resonating structures :

what is the name of compound [Pt(NH3)2Cl(NH2CH3)[Cl/

For hydrogen storage, which of the following materials are highly suitable?

In hydrogen spectrum what does we derive wavelenght equation

what volume of solution of HCL containing 73 gram per litre would sufficient gor the exact neutralization NaOH obtained by allowing 0.46g of metallic sodium to react with water.

If a constitute particle is missing from the lattice site,the defect is known as __.

The mole fraction of a solution of acetone (C3H6O) in heptane (C7H16) is 0.1 , Its molality is:

Identify the wrong statements in the following

Molarity of 0.6N aluminium sulphate is?

Protactinium or Pa (Z = 91) =[Rn]5f26d17s2 Why we are writing [Rn]? Why 5f2 and Not 5f14?

Comparethe relative stability of the following species and indicate theirmagnetic properties; O2,,(superoxide), (peroxide)

The structure of the product D would be :

If the wavelength of the first line of Balmer series of hydrogen is 6561 ˚A. The wavelength of the second line of the series should be-

Which of the following cannot undergo E2 reaction?

when the temperature of a gas is constant at 20degree celcius and pressure is changed from P1 1.01*10^5 pa to P2 = 1.165*10^5pa then the volume changes by 10% the bulk modlus of the gas is

39.Relation between spontaneity,rate constant and exothermic reaction.

Which of the following has the lowest 'C-O' bond strength?

Two closed bulbs of equal volume (V) containing an ideal gas initially at pressure Pi and temperature T1 are connected through a narrow tube of negligible volume as shown in the figure below. The temperature of one of the bulbs is then raised to T2. The final pressure Pf is:

K1 and K2 for dissociation of H2S are 4×10−3 and 1×10−5. Calculate sulphide ion concentration in 0.1 MH2S solution.

The eccentricity of a hyperbola is √5/2 then it's length of latusrectum

3. what will be the vapour pressure of 5%w/v aqueous solution of urea at 298 k(if vapour pressure of water is 0.025bar)

which alkene on ozonlysis gives CH3CH2CHO,CH3COCH3 EXPLAIN FULL MECHANISM

Why do acids not show acidic behaviour in the absence of water?

Give evidence that[Co(NH3)5Cl]SO4 and [Co(NH3)5SO4]Clare ionization isomers.

graph between E and r for E due to a short dipole on axial line.

In acidic medium if potassium permanganate is used as an oxidizing agent, we get

What is meaning of // and / in the question number 1 of Sub topic Venn Diagram in the Study Material ( Work Book) sent by Byjus through email? Draw Venn Diagram of (AUB) // (A-B)/

For a cell involving one electron ,E^0cell =0.59Vat 298 Kthe equlibrium constsnt for the cell reaction is given that 2.303RT/F=0.059V at T=298K

For a reaction, X2(g) + Y2(g) Image not p 2XY(g)If ∆G(r) = 20 kJ/mol and ∆S(r) = –20 JK–1mol–1 at 200 K. Calculate ∆H(r) not present at 400 K(Given ∆rCP = 20 JK–1mol–1)

Which of the following statements is incorrect about amorphous solids?

Reducing nature of the hydrides of group VA follow the order

The molal elevation constant of water = 0.520C. The boiling point of 1.0 molal aqueous KCl solution (assuming complete dissociation of KCl), therefore, should be

Bakelite is obtained from phenol by reaction with

Heat given to a system under isochoric process is equal to:

49. The colorless species is A. VCl3 B. VOSO4 C.Na3VO4 D.[V(H2O)6]SO4.H2O

The product of the reaction is:

Which of the following compounds will not give benzoic acid with KMnO4/HO−/Heat.

63. For which of the following sets of four quantum numbers ,an electron will have the highest energy ? n l m s (1) 3 2 1 +1/2 (2) 4 2 -1 +1/2 (3) 4 1 0 -1/2 (4)5 0 0 -1/2

What is poiseuilles equation?

when the temperature of a gas is constant at 20degree celcius and pressure is changed from P1 1.0110^5 pa to P2 = 1.16510^5pa then the volume changes by 10% the bulk modlus of the gas is