46295 + Interview Questions in Chemistry Page 29 InterviewSolution

1401.	Number of Fe atoms in 100 g of Haemoglobin if it contains 0.33% Fe is \lbrack Atomic mass of Fe = 56\rbrack?
Answer» Number of Fe atoms in 100 g of Haemoglobin if it contains 0.33% Fe is \lbrack Atomic mass of Fe = 56\rbrack?

Discussion

1402.	Which of the following is true for spontaneous process?
Answer» Which of the following is true for spontaneous process?

Discussion

1403.	Express 0.6+0.7+0.47 in p/ q form
Answer» Express 0.6+0.7+0.47 in p/ q form

Discussion

1404.	100ml of 0.1N NAOH solution is required for neutralizing 0.49g of a dibasic acid . what is the molecular weight of the acid?
Answer» 100ml of 0.1N NAOH solution is required for neutralizing 0.49g of a dibasic acid . what is the molecular weight of the acid?

Discussion

1405.	why ionic radius of s - block elements ( group 1) is lower than its atomic radiu
Answer» why ionic radius of s - block elements ( group 1) is lower than its atomic radiu

Discussion

1406.	How s- p mixing create difference in electronic configuration in MOT?
Answer» How s- p mixing create difference in electronic configuration in MOT?

Discussion

1407.	lThe crystalline salt Na2SO4.xH2O on heating loses 55.9% of its mass and becomes anhydrous. Theformula of crystalline salt is
Answer» lThe crystalline salt Na2SO4.xH2O on heating loses 55.9% of its mass and becomes anhydrous. Theformula of crystalline salt is

Discussion

1408.	Explain the nomenclature of enzymes and its components.
Answer» Explain the nomenclature of enzymes and its components.

Discussion

1409.	In nuclear transmutation Tritium is obtained from
Answer» In nuclear transmutation Tritium is obtained from

Discussion

1410.	Aspartame is unstable at cooking temperature, where would you suggest aspartame to be used for sweetening?
Answer» Aspartame is unstable at cooking temperature, where would you suggest aspartame to be used for sweetening?

Discussion

1411.	27. Which of the following will not give yellow precipitate when reacted with NaOH and I2? a. 3 Methyl butan-2-one b. 2Methylpentane-3-one c. Propanone d. Hexan-2-one
Answer» 27. Which of the following will not give yellow precipitate when reacted with NaOH and I2? a. 3 Methyl butan-2-one b. 2Methylpentane-3-one c. Propanone d. Hexan-2-one

Discussion

1412.	The given reaction has maximum rate when:
Answer» The given reaction has maximum rate when:

Discussion

1413.	a tube of uniform cross section has a gas trapped by mercury bubble of length 10cm. the pressure of the gas when tube is held at 60 degree with the vertical with open end down is ?
Answer» a tube of uniform cross section has a gas trapped by mercury bubble of length 10cm. the pressure of the gas when tube is held at 60 degree with the vertical with open end down is ?

Discussion

1414.	If uncertainty in the position of an electron is zero, the uncertainty in its momentum would be
Answer» If uncertainty in the position of an electron is zero, the uncertainty in its momentum would be

Discussion

1415.	Calculate approximate pH of a 0.1 M aqueous solution of H2S, K1 and K2 for H2S are 1.00×10−7 and 1.3×10−13 respectively at 25oC.
Answer» Calculate approximate $p H$ of a $0.1 M$ aqueous solution of $H_{2} S, K_{1} a n d K_{2}$ for $H_{2} S$ are $1.00 \times 10^{- 7}$ and $1.3 \times 10^{- 13}$ respectively at $25^{o} C$ .

Discussion

1416.	What are Spiro compounds
Answer» What are Spiro compounds

Discussion

1417.	Methanoic acid and Ethanoic acid can be differentiated by:
Answer» Methanoic acid and Ethanoic acid can be differentiated by:

Discussion

1418.	In a reaction Where M = molecule; R = reagent M and R are
Answer» In a reaction Where M = molecule; R = reagent M and R are

1418.

In a reaction Where M = molecule; R = reagent M and R are

Answer»

In a reaction

Where M = molecule; R = reagent M and R are

Discussion

1419.	Which of the following oxidation states is the most common among the lanthanides?
Answer» Which of the following oxidation states is the most common among the lanthanides?

Discussion

1420.	The maximum wavelength of radiation that can produce photoelectric effect in a certain metal is 2000 ˚A. The maximum kinetic energy acquired by an electron due to radiation of wavelength 1000 ˚A will be nearly
Answer» The maximum wavelength of radiation that can produce photoelectric effect in a certain metal is $2000 ˚ A$ . The maximum kinetic energy acquired by an electron due to radiation of wavelength $1000 ˚ A$ will be nearly

Discussion

1421.	what is reaction with h2?
Answer» what is reaction with h2?

Discussion

1422.	Which among the following molecules has a permanent dipole moment?
Answer» Which among the following molecules has a permanent dipole moment?

Discussion

1423.	complete the reaction :- diazonium benzoate + acetylchloride
Answer» complete the reaction :- diazonium benzoate + acetylchloride

Discussion

1424.	Which of the following gives positive iodoform test?
Answer» Which of the following gives positive iodoform test?

Discussion

1425.	Which of the salt-solution is most effective for coagulation of arsenious sulphide?
Answer» Which of the salt-solution is most effective for coagulation of arsenious sulphide?

Discussion

1426.	A monoprotic acid in 1.00 M solution is 0.01% ionised. The dissociation constant of this acid is
Answer» A monoprotic acid in 1.00 M solution is 0.01% ionised. The dissociation constant of this acid is

Discussion

1427.	The X ray wavelength of La line of platinum(Z=78) is 1.30A. The X ray wavelength to La line of molybdenum (Z=42) is (phi=7.4) 5.41A 4.20A 2.70A 1.35A
Answer» The X ray wavelength of La line of platinum(Z=78) is 1.30A. The X ray wavelength to La line of molybdenum (Z=42) is (phi=7.4) 5.41A 4.20A 2.70A 1.35A

Discussion

1428.	25.During the electrolysis of water, if 11.2 litre H2 is obtained at S.T.P. at cathode, then mass of O2 obtained at anode is (1) 8g (2) 16g (3) 32g (4) 4g
Answer» 25.During the electrolysis of water, if 11.2 litre H2 is obtained at S.T.P. at cathode, then mass of O2 obtained at anode is (1) 8g (2) 16g (3) 32g (4) 4g

Discussion

1429.	Are hetero cyclic amino acids basic in nature?
Answer» Are hetero cyclic amino acids basic in nature?

Discussion

1430.	Give the organic products of the following reactions.() CICH2 CH2CH2l KCN (1 mole each)Acetone
Answer» Give the organic products of the following reactions.() CICH2 CH2CH2l KCN (1 mole each)Acetone

Discussion

1431.	In the above reaction 'X' stands for [CPMT 1986, 2001; MP PET 1992;KCET (Engg./Med.) 2000]
Answer» In the above reaction 'X' stands for [CPMT 1986, 2001; MP PET 1992;KCET (Engg./Med.) 2000]

1431.

In the above reaction 'X' stands for [CPMT 1986, 2001; MP PET 1992;KCET (Engg./Med.) 2000]

Answer»

In the above reaction 'X' stands for

[CPMT 1986, 2001; MP PET 1992;KCET (Engg./Med.) 2000]

Discussion

1432.	If the percentage of water of crystallization inMgSO4.x H2O is 13%, what is the value of x?(2) 4(4) 7(3) 5
Answer» If the percentage of water of crystallization inMgSO4.x H2O is 13%, what is the value of x?(2) 4(4) 7(3) 5

Discussion

1433.	The intermediate during the addition of HCI topropene in presence of peroxide is(1) CH,-H-CH,-CI(2) CH, CH-CH,(3) CH,-CH-CH2(4) CH,-CH,-CH
Answer» The intermediate during the addition of HCI topropene in presence of peroxide is(1) CH,-H-CH,-CI(2) CH, CH-CH,(3) CH,-CH-CH2(4) CH,-CH,-CH

Discussion

1434.	Designate the orbital having quantum no. n=7 l=2 m=-2
Answer» Designate the orbital having quantum no. n=7 l=2 m=-2

Discussion

1435.	\|x-3\|+\|4-x\|=1
Answer» \|x-3\|+\|4-x\|=1

Discussion

1436.	Which of the following pairs is/are having TBP, See-Saw and T-Shape respectively?
Answer» Which of the following pairs is/are having TBP, See-Saw and T-Shape respectively?

Discussion

1437.	A soap bubble in vacuum has a radius of 3 cm and another soap bubble in vacuum has a radius of 4 cm. If the two bubbles coalesce under isothermal condition, then the radius of the new bubble is
Answer» A soap bubble in vacuum has a radius of 3 cm and another soap bubble in vacuum has a radius of 4 cm. If the two bubbles coalesce under isothermal condition, then the radius of the new bubble is

1437.

A soap bubble in vacuum has a radius of 3 cm and another soap bubble in vacuum has a radius of 4 cm. If the two bubbles coalesce under isothermal condition, then the radius of the new bubble is

Answer»

A soap bubble in vacuum has a radius of 3 cm and another soap bubble in vacuum has a radius of 4 cm. If the two bubbles coalesce under isothermal condition, then the radius of the new bubble is

Discussion

1438.	With which of the given pairs CO2 resembles
Answer» With which of the given pairs $C O_{2}$ resembles

Discussion

1439.	Which of the following is a forward biased diode?
Answer» Which of the following is a forward biased diode?

Discussion

1440.	If vapour density of A = 3 vapour density of B, molecular weight of A = 90, then molecular weight of B is??
Answer» If vapour density of A = 3 vapour density of B, molecular weight of A = 90, then molecular weight of B is??

Discussion

1441.	at what temperature will the rms speed of oxygen molecules become just sufficient for escaping from the earths atmosphere?guven mass of oxygen molecule =2.76\ast10raise to -26kg and boltzmann const.=1.38\ast10raise to -23J/
Answer» at what temperature will the rms speed of oxygen molecules become just sufficient for escaping from the earths atmosphere?guven mass of oxygen molecule =2.76\ast10raise to -26kg and boltzmann const.=1.38\ast10raise to -23J/

Discussion

1442.	How is Benzene synthesized using Grignards' reagent (through)?
Answer» How is Benzene synthesized using Grignards' reagent (through)?

Discussion

1443.	A metal M readily forms water soluble sulphate MSO4, water insoluble hydroxide M(OH)2 and oxide MO which becomes inert on heating. The hydroxide is soluble in NaOH. The M is
Answer» A metal $M$ readily forms water soluble sulphate $M S O_{4}$ , water insoluble hydroxide $M (O H)_{2}$ and oxide $M O$ which becomes inert on heating. The hydroxide is soluble in $N a O H$ . The $M$ is

Discussion

1444.	Boron triflouride reacts with sodium hydride at 450 K to form ′A′ and NaF. ′A′ is mixed with excess NH3 and heated at higher temperature to form ′B′. The formula of ′B′ is:
Answer» Boron triflouride reacts with sodium hydride at $450 K$ to form $^{'} A^{'}$ and $N a F$ . $^{'} A^{'}$ is mixed with excess $N H_{3}$ and heated at higher temperature to form $^{'} B^{'}$ . The formula of $^{'} B^{'}$ is:

Discussion

1445.	The volume of water added to 500ml ,0.5 M NaOH so that its strength becomes 10mg NaOH per ml is
Answer» The volume of water added to 500ml ,0.5 M NaOH so that its strength becomes 10mg NaOH per ml is

Discussion

1446.	Although there are several ores, 80% of the world copper production comes from the ore chalcopyrite (CuFeS2). The extraction of copper from chalcopyrite involves partial roasting, removal of iron and self-reduction. Iron is removed from chalcopyrite as:
Answer» Although there are several ores, 80% of the world copper production comes from the ore chalcopyrite ( $C u F e S_{2}$ ). The extraction of copper from chalcopyrite involves partial roasting, removal of iron and self-reduction. Iron is removed from chalcopyrite as:

Discussion

1447.	What is the use of accuracy and precision
Answer» What is the use of accuracy and precision

Discussion

1448.	Thionyl chloride is preferred in the preparation of chlorine compounds from alcohols because:
Answer» Thionyl chloride is preferred in the preparation of chlorine compounds from alcohols because:

Discussion

1449.	what is the equivalent weight of H3PO4 when it reacts with NaOH?
Answer» what is the equivalent weight of H3PO4 when it reacts with NaOH?

Discussion

1450.	number of structyral isomerspossible in C3H6
Answer» number of structyral isomerspossible in C3H6

Discussion

Explore topic-wise InterviewSolutions in .

Number of Fe atoms in 100 g of Haemoglobin if it contains 0.33% Fe is \lbrack Atomic mass of Fe = 56\rbrack?

Which of the following is true for spontaneous process?

Express 0.6+0.7+0.47 in p/ q form

100ml of 0.1N NAOH solution is required for neutralizing 0.49g of a dibasic acid . what is the molecular weight of the acid?

why ionic radius of s - block elements ( group 1) is lower than its atomic radiu

How s- p mixing create difference in electronic configuration in MOT?

lThe crystalline salt Na2SO4.xH2O on heating loses 55.9% of its mass and becomes anhydrous. Theformula of crystalline salt is

Explain the nomenclature of enzymes and its components.

In nuclear transmutation Tritium is obtained from

Aspartame is unstable at cooking temperature, where would you suggest aspartame to be used for sweetening?

27. Which of the following will not give yellow precipitate when reacted with NaOH and I2? a. 3 Methyl butan-2-one b. 2Methylpentane-3-one c. Propanone d. Hexan-2-one

The given reaction has maximum rate when:

a tube of uniform cross section has a gas trapped by mercury bubble of length 10cm. the pressure of the gas when tube is held at 60 degree with the vertical with open end down is ?

If uncertainty in the position of an electron is zero, the uncertainty in its momentum would be

Calculate approximate pH of a 0.1 M aqueous solution of H2S, K1 and K2 for H2S are 1.00×10−7 and 1.3×10−13 respectively at 25oC.

What are Spiro compounds

Methanoic acid and Ethanoic acid can be differentiated by:

In a reaction Where M = molecule; R = reagent M and R are

Which of the following oxidation states is the most common among the lanthanides?

The maximum wavelength of radiation that can produce photoelectric effect in a certain metal is 2000 ˚A. The maximum kinetic energy acquired by an electron due to radiation of wavelength 1000 ˚A will be nearly

what is reaction with h2?

Which among the following molecules has a permanent dipole moment?

complete the reaction :- diazonium benzoate + acetylchloride

Which of the following gives positive iodoform test?

Which of the salt-solution is most effective for coagulation of arsenious sulphide?

A monoprotic acid in 1.00 M solution is 0.01% ionised. The dissociation constant of this acid is

The X ray wavelength of La line of platinum(Z=78) is 1.30A. The X ray wavelength to La line of molybdenum (Z=42) is (phi=7.4) 5.41A 4.20A 2.70A 1.35A

25.During the electrolysis of water, if 11.2 litre H2 is obtained at S.T.P. at cathode, then mass of O2 obtained at anode is (1) 8g (2) 16g (3) 32g (4) 4g

Are hetero cyclic amino acids basic in nature?

Give the organic products of the following reactions.() CICH2 CH2CH2l KCN (1 mole each)Acetone

In the above reaction 'X' stands for [CPMT 1986, 2001; MP PET 1992;KCET (Engg./Med.) 2000]

If the percentage of water of crystallization inMgSO4.x H2O is 13%, what is the value of x?(2) 4(4) 7(3) 5

The intermediate during the addition of HCI topropene in presence of peroxide is(1) CH,-H-CH,-CI(2) CH, CH-CH,(3) CH,-CH-CH2(4) CH,-CH,-CH

Designate the orbital having quantum no. n=7 l=2 m=-2

|x-3|+|4-x|=1

Which of the following pairs is/are having TBP, See-Saw and T-Shape respectively?

A soap bubble in vacuum has a radius of 3 cm and another soap bubble in vacuum has a radius of 4 cm. If the two bubbles coalesce under isothermal condition, then the radius of the new bubble is

With which of the given pairs CO2 resembles

Which of the following is a forward biased diode?

If vapour density of A = 3 vapour density of B, molecular weight of A = 90, then molecular weight of B is??

at what temperature will the rms speed of oxygen molecules become just sufficient for escaping from the earths atmosphere?guven mass of oxygen molecule =2.76\ast10raise to -26kg and boltzmann const.=1.38\ast10raise to -23J/

How is Benzene synthesized using Grignards' reagent (through)?

A metal M readily forms water soluble sulphate MSO4, water insoluble hydroxide M(OH)2 and oxide MO which becomes inert on heating. The hydroxide is soluble in NaOH. The M is

Boron triflouride reacts with sodium hydride at 450 K to form ′A′ and NaF. ′A′ is mixed with excess NH3 and heated at higher temperature to form ′B′. The formula of ′B′ is:

The volume of water added to 500ml ,0.5 M NaOH so that its strength becomes 10mg NaOH per ml is

Although there are several ores, 80% of the world copper production comes from the ore chalcopyrite (CuFeS2). The extraction of copper from chalcopyrite involves partial roasting, removal of iron and self-reduction. Iron is removed from chalcopyrite as:

What is the use of accuracy and precision

Thionyl chloride is preferred in the preparation of chlorine compounds from alcohols because:

what is the equivalent weight of H3PO4 when it reacts with NaOH?

number of structyral isomerspossible in C3H6