94420 + Interview Questions in Chemistry in Class 12 Page 587 InterviewSolution

29301.	The IUPAC name of CH_3-underset(CH_3)underset(\|)overset(CH_3)overset(\|)C-OH is ………………. .
Answer» 1-methyl-2-propanol 2-methyl-propan-2-ol ertibutyl ALCOHOL 2-propanol SOLUTION :2-methyl-propan-2-ol

Discussion

29302.	The IUPAC name of CH_(3)-CH_(2)-overset(CH_(3))overset(\|)(CH)-COOH is
Answer» METHYL BUTANOIC ACID 2-methyl butanoic acid `ALPHA` - methyl BUTYRIC acid 3-methyl butanoic Answer :D

Discussion

29303.	The IUPAC name of CH_(3)-O-underset(CH_(3))underset(\|)overset(CH_(3))overset(\|)C-CH_(3) is __________.
Answer» 2-methoxy PROPANE ETHOXY benzene 2-methoxy-2-methyl propane 2-methyl-1-butane ANSWER :C

Discussion

29304.	The IUPAC name of CH_3-O - underset(CH_3) underset(\|)overset(CH_3)overset(\|)C- CH_3 is ………………… .
Answer» 1 methoxyl isopropyl ETHANE 2 methoxy - 2 - methyl PROPANE 2, 2- dimethyl 2- methoxy ethane Methoxy tertiary butane SOLUTION :2 methoxy - 2 - methyl propane

Discussion

29305.	The IUPAC name of {:(""CH_(3)),("\|"),(CH_(3)-CH-CH_(2)-C-CH_(3)),("\|""\|"),(""OH""OH):} and{:(CH_(2)-CH-CH_(2)),("\|""\|""\|"),(CN""CN""CN):}
Answer» 1, 1-dimethyl-1,3-butanediol and propanetricarbyl amine 4-methyl-2, 4-pentanediol and 1,2,3 propanetrinitrile 2-methyl-2, 4-pentanediol and propane 1, 2, 3-tricarbonitrile 1, 3, 3-trimethyl 1, 3-propanediol and 1, 2, 3 tricyanopropane Solution :`{:(""CH_(3),),("\|",),(underset(5)(CH_(3))-underset(4)(CH)-underset(3)(CH_(2))-underset(2)(C)-underset(1)(C)H_(3),," "CH_(2)-CH-CH_(2)),("\|""\|","\|""\|""\|"),(""OH""OH,""CN""CN" "CN),("2-methyl 2,4-pentanediol","Propane-1,2, tricarbonitrile"):}`

Discussion

29306.	TheIUPAC name of CH_3-CH_2-CH_2-CH-CH_3 Is
Answer» Pentan-2-ol Pentan-4-ol Pentan-1-ol Pentanol Answer :A

Discussion

29307.	The IUPAC name of CH_(3) CH_(2) (Br) = CHCI is
Answer» 4-chloro -3 - bromobutene 2 - bromo - 1- chlorobutane 2-bromo-1-chlorobut-1-ene 2-bromo-2-ethyl-3-chloropropene. ANSWER :C

Discussion

29308.	TheIUPAC name of CH_3-CH_2-CH_2-CH (OH)-CH_3 Is
Answer» Pentan-2-ol Pentan-4-ol Pentan-1-ol Pentanol Answer :A

Discussion

29309.	The IUPAC name of CH_(3) - CH equiv CH - C equiv CH is
Answer» pent-3-en-1-yne pent-3-en-4-yne pent-2-en-4-yne pent-2-en-3-yne SOLUTION :`OVERSET(5)(CH_(3)) - UNDERSET("Pent-3-ene-l-yne")overset(4)(CH =) overset(3)(C) H - overset(2)(C) equiv overset(1)(CH)`

Discussion

29310.	The IUPAC name of CH_3 - CH = CH – CHOis .......
Answer» SOLUTION : But-2-enal

Discussion

29311.	The IUPAC name of CH_(3)-C-=C CH(CH_(3))_(2) is:
Answer» 4-methylpent-2-yne 4,4-dimethylpent-2-yne. methyl isopropylacetylene 2-methylpent-4-yne Answer :A

Discussion

29312.	The IUPAC name of {:(CH_(2)=CH-CH-CH_(2)-CH_(3)),("\|"),(""CH_(2)-CH_(2)-CH_(3)):} is
Answer» 3-propyl pentene-1 3-ethyl-pentene-1 4-ethyl-hexene-1 3-ethyl-hexene-1 Solution :`{:(overset(1)CH_(2)=overset(2)(CH)-overset(3)(CH)-CH_(2)-CH_(3)),("\|"),(""CH_(3)-CH_(2)-CH_(3)):}` The IUPAC NAME is 3-ethyl hexene-1.

Discussion

29313.	The IUPAC name of CH_(2) = CHCN is:
Answer» Ethenenitrile Vinyl cyanide Cyanoethene 2 - Propenenitrile. Answer :D

Discussion

29314.	The IUPAC name of CH_(2) =CH-CNis
Answer» ethenenitrile VINYL CYANIDE CYANO ETHENE prop-2-eneitrile ANSWER :D

Discussion

29315.	The IUPAC name of CH_2 = CH - CHOH is ……………………… .
Answer» SOLUTION :prop-2-en-1-ol

Discussion

29316.	The IUPAC name of CH_2 = CH – CHOis .............
Answer» SOLUTION : PROP -2-enal

Discussion

29317.	The IUPAC name of CH_2 = CH - CH_2OH is ……………… .
Answer» ALLYL ALCOHOL Propene-2-ol Prop-2-en-1-ol ISOPROPYL alcohol SOLUTION :Prop-2-en-1-ol

Discussion

29318.	The IUPAC name of Catechol is known as ………………. .
Answer» 1,3-dihydroxy BENZENE 1,2-dihydroxy benzene 1,4-dihydroxy benzene 1,3,5-trihydroxy benzene SOLUTION :1,2-dihydroxy benzene

Discussion

29319.	The IUPAC name of caproic acid is
Answer» pentanoic ACID 2- phenylethanoicacid 2- phenylpropanoicacid hexanoicacid Answer :D

Discussion

29320.	The IUPAC name of caproic acid Is:
Answer» Pentanoic ACID hexanoic acid Heptanoic acid Octanoic acid Answer :B

Discussion

29321.	The IUPAC name of C_(6)H_(5)COCl is:
Answer» benzoyl chlo RIDE benzene chloroketone benzene carbonylchlor ide chlorophenyl ketone ANSWER :C

Discussion

29322.	The IUPAC name of C_(6)H_(5)COCl is :
Answer» BENZOYL CHLORIDE Chlorophenyl ketone Benzene CARBONYL chloride PHENYL chloroketone. ANSWER :A

Discussion

29323.	The IUPAC name of C_6H_5 - O - C_6H_5 is ……………….. .
Answer» DIPHENYL ETHER Phenoxy METHANE Phenoxy BENZENE Ethoxy benzene SOLUTION :Phenoxy benzene

Discussion

29324.	The ionic radii of A^(+) and B^(-) ions are 0.98 xx 10^(-10) and 1.81 xx 10^(-10) m .The coordinatyion number of each ion in AB is
Answer» ANSWER :6,6

Discussion

29325.	The ionic radii of N^(3-), O^(2-), F^(-) and Na^(+) follows the order
Answer» `N^(3-) GT O^(2-) gt F^(-) gt Na^(+)` `N^(3-)gt Na^(+) gt O^(2-) gt F^(-)` `Na^(+)gt O^(2-) gt N^(3-)gt F^(-)` `O^(2-) gt F^(-)gt Na^(+) gt N^(3-) ` Answer :A

Discussion

29326.	The ionic radii of Group 12 metals Zn, Cd and Hg are smaller than those of Group 2 metals becouse Zn, Cd and Hg have
Answer» 10D -electrons which shield the nuclear charge poorly 10d-electrons which shield the nuclear charge strongly 10d-electrons which have a large radius ratio 10ltf-electrons which have a large exchange energy Solution :`Zn, CD and Hg` have SMALLER ionic ionic RADII than group - 2 elements because former involve 10 d - electrons which have poor shielding effect so that electrons are more strongly attracted towards NUCLEUS.

Discussion

29327.	The ionic radii (Å)" of "C^(4+) and O^(2-)respectively are 2.60 and 1.40. The ionic radius of the isoelectronic ion N^(3-) would be
Answer» 2.6 1.71 1.4 0.95 Solution :The ionic radii of isoelectronic IONS DECREASE with the increase in the MAGNITUDE of the nuclear CHARGE. So, decreasing order of ionic radii is `C^(4-)gtN^(3-)gtO^(2-)`.

Discussion

29328.	The ionic radii of A^(+) and B^(-)ions are 0.98xx10^(-10)m and 1.81xx10^(-10)m.The co-ordination number of each ion in AB is :
Answer» 4 8 2 6 Solution :`(r^(+))/(r^(-))=(0.98xx10^(-10))/(1.81xx10^(-10))=0.54` IONIC crystal is octahedral COMPLEX and it.s coordination no is 6.

Discussion

29329.	The ionic radii of A^(+) and B ions are 0.98 xx 10^(-10)m and 1.81 xx 10^(-10) m. The coordination number , of each ion in AB is
Answer» 6 4 8 2 Answer :A

Discussion

29330.	The ionic radii of A^(+) and B^(-) are 0.98xx10^(-10)m and 1.81xx10^(-10)m, the coordination number of each ion in AB is ………… .
Answer» 8 2 6 4 Solution :Hint : `(r_(c.))/(r_(A^(-)))=(0.98xx10^(-10))/(1.81xx10^(-10))=0.54` It is in the RANGE of 0.414 0.732, HENCE the coordination number of each ion is 6.

Discussion

29331.	The ionic radii of A^(+) and B^(-) ions are 0.98 xx 10^(-10) m and 1.81 xx 10^(-10) m. The coordination number of each ion in AB is
Answer» 8 2 6 4 Solution :`(R^+)/(r^-) = (0.98 XX 10^(-10))/(1.81 xx 10^(-10)) = 0.541`

Discussion

29332.	The ionic product of water _____ with the increase in temperature
Answer» Increases Decreases Remains CONSTANT NONE of the above Answer :A

Discussion

29333.	The ionic product of water at 25^(@)C is 10^(-4). The ionic product at 90^(@)C will be
Answer» `1 xx 10^(-20)` `1 xx 10^(-12)` `1 xx 10^(-14)` `1 xx 10^(-16)` Solution :When INCREASING the temperature the value of ionic product also INCREASES.

Discussion

29334.	The ionic product of water at 60^@C is 9.61 xx 10^(-14) The pH of water at 60^@C is
Answer» `7.0` 6.51 9.61 6.7 Answer :B

Discussion

29335.	The ionicproduct of warter at 60^@C is 9.61 xx 10^-14. The pH of water at 60^@C is :
Answer» 6.51 6.7 9.61 7 Answer :A

Discussion

29336.	The ionic mobility of alkali metal ions in aqueous solution is maximum for :-
Answer» `LI^(+)` `NA^(+)` `K^(+)` `RB^(+)` ANSWER :D

Discussion

29337.	The ionic conductances of Al^(3+) and SO_(4)^(2-) at infinite dilution are x and y ohm^(-1) cm^(2) respectively. If Kohlrausch law is validthen molar conductance of aluminium sulphate infinite dilution will be
Answer» `3 x+ 2y` `2x+3y` `2x +2y` `3x +3y` Solution :`Al_(2)(SO_4)_3 HARR 2AL^(3+)+3SO_(4)^(2-)` `Lambda_(m)^(@) Al_(2)(SO_4)_3 = 2 Lambda^(@)_(AL^(3+)) + 3Lambda_(SO_(4)^(2-))^(@)` `Lambda_(m)^(@) Al_(2)(SO_4)_3 = 2x+ 3y`

Discussion

29338.	The ionic conductance of Ba^(2+) and CI^(-)are respectively127 and 76 omega^(-1)cm^(2)of BaCI_(2)at infinitedilution will be
Answer» 139.5 203 279 101.5 Solution :The equivelnt weight of `BaCI_(2)=("Molecular weight")/(2)` `lambda_(m)^(INFTY) "for" BaCI_(2) = lambda_(m)^(infty) Ba^(2+) +2 lambda_(m)^(infty) CI^(-)` `therefore lambda_(eq)^(infty) for BaCI_(2) =1//2 lambda_(m)^(infty) Ba^(2+) + lambda_(m)^(infty) CI^(-)` `=127//2+76 =139.5 "ohm"^(-01) cm^(-2)`

Discussion

29339.	The ionic conductance of following cations in a given conc. is in the order
Answer» `LI^(+) lt NA^(+) lt K^(+) lt Rb^(+)` `Li^(+)GT Na^(+) gt K^(+) gt Rb^(+)` `Li^(+) lt Na^(+) gt K^(+) gt Rb^(+)` `Li^(+) = Na^(+) lt K^(+) lt Rb^(+)` Answer :A

Discussion

29340.	The ionic conductance in aqueous medium is least for :
Answer» `CS^(+)` `K^(+)` `NA^(+)` `LI^(+)` ANSWER :D

Discussion

29341.	The ionic carbide is:
Answer» `CaC_2` ZnC SiC TiC Answer :A

Discussion

29342.	The ionic carbide is
Answer» ZNC TIC SIC `CaC_(2)` ANSWER :D

Discussion

29343.	The ionCo(en) Cl_(2)Br_(2)^(-)is expected to have x isomers. Find the value of x.
Answer» SOLUTION :

Discussion

29344.	The ion with highest magnetic moment is
Answer» `V^(3+)` `CR^(3+)` `FE^(3+)` `Co^(3+)` Solution :`Fe^(3+)`

Discussion

29345.	The ion which exhibits orange red colour in aqueous solution is
Answer» `Cr_(2)O_(7)^(2-)` `MnO_(4)^(2-)` `MnO_(4)^(-)` `Cr^(3+)` ANSWER :A

Discussion

29346.	The ion that is isoelectronic with CO is :
Answer» `CN^(-)` `O_(2)^(+)` `N_(2)^(+)` `O_(2)^(-)` Solution :CO has 14 ELECTRONS `(6+8=14)` and `CN^(-)` has also 14 [`6(C )+7(N)+1` (charge)]electrons.

Discussion

29347.	The ion that is isoelectronic with CO is:
Answer» `CN^-` `O_2^+` `O_2^-` `N_2^+` ANSWER :A

Discussion

29348.	The ion that is isoelectronic with CO is -
Answer» NO `N_2` `C_2` `F_2` ANSWER :A

Discussion

29349.	The ion that cannot undergo disproportionation is
Answer» `ClO_4^-` `ClO_3^-` `ClO_2^-` `CLO^-` ANSWER :A

Discussion

29350.	The ion that cannot be precipitated by both HCl and H_2S is:
Answer» `PB^(2+) ` `CU^(2+) ` `AG^(+) ` `Sn^(2+) ` ANSWER :D

Discussion

Explore topic-wise InterviewSolutions in .

The IUPAC name of CH_3-underset(CH_3)underset(|)overset(CH_3)overset(|)C-OH is ………………. .

The IUPAC name of CH_(3)-CH_(2)-overset(CH_(3))overset(|)(CH)-COOH is

The IUPAC name of CH_(3)-O-underset(CH_(3))underset(|)overset(CH_(3))overset(|)C-CH_(3) is __________.

The IUPAC name of CH_3-O - underset(CH_3) underset(|)overset(CH_3)overset(|)C- CH_3 is ………………… .

The IUPAC name of {:(""CH_(3)),("|"),(CH_(3)-CH-CH_(2)-C-CH_(3)),("|""|"),(""OH""OH):} and{:(CH_(2)-CH-CH_(2)),("|""|""|"),(CN""CN""CN):}

TheIUPAC name of CH_3-CH_2-CH_2-CH-CH_3 Is

The IUPAC name of CH_(3) CH_(2) (Br) = CHCI is

TheIUPAC name of CH_3-CH_2-CH_2-CH (OH)-CH_3 Is

The IUPAC name of CH_(3) - CH equiv CH - C equiv CH is

The IUPAC name of CH_3 - CH = CH – CHOis .......

The IUPAC name of CH_(3)-C-=C CH(CH_(3))_(2) is:

The IUPAC name of {:(CH_(2)=CH-CH-CH_(2)-CH_(3)),("|"),(""CH_(2)-CH_(2)-CH_(3)):} is

The IUPAC name of CH_(2) = CHCN is:

The IUPAC name of CH_(2) =CH-CNis

The IUPAC name of CH_2 = CH - CHOH is ……………………… .

The IUPAC name of CH_2 = CH – CHOis .............

The IUPAC name of CH_2 = CH - CH_2OH is ……………… .

The IUPAC name of Catechol is known as ………………. .

The IUPAC name of caproic acid is

The IUPAC name of caproic acid Is:

The IUPAC name of C_(6)H_(5)COCl is:

The IUPAC name of C_(6)H_(5)COCl is :

The IUPAC name of C_6H_5 - O - C_6H_5 is ……………….. .

The ionic radii of A^(+) and B^(-) ions are 0.98 xx 10^(-10) and 1.81 xx 10^(-10) m .The coordinatyion number of each ion in AB is

The ionic radii of N^(3-), O^(2-), F^(-) and Na^(+) follows the order

The ionic radii of Group 12 metals Zn, Cd and Hg are smaller than those of Group 2 metals becouse Zn, Cd and Hg have

The ionic radii (Å)" of "C^(4+) and O^(2-)respectively are 2.60 and 1.40. The ionic radius of the isoelectronic ion N^(3-) would be

The ionic radii of A^(+) and B^(-)ions are 0.98xx10^(-10)m and 1.81xx10^(-10)m.The co-ordination number of each ion in AB is :

The ionic radii of A^(+) and B ions are 0.98 xx 10^(-10)m and 1.81 xx 10^(-10) m. The coordination number , of each ion in AB is

The ionic radii of A^(+) and B^(-) are 0.98xx10^(-10)m and 1.81xx10^(-10)m, the coordination number of each ion in AB is ………… .

The ionic radii of A^(+) and B^(-) ions are 0.98 xx 10^(-10) m and 1.81 xx 10^(-10) m. The coordination number of each ion in AB is

The ionic product of water _____ with the increase in temperature

The ionic product of water at 25^(@)C is 10^(-4). The ionic product at 90^(@)C will be

The ionic product of water at 60^@C is 9.61 xx 10^(-14) The pH of water at 60^@C is

The ionicproduct of warter at 60^@C is 9.61 xx 10^-14. The pH of water at 60^@C is :

The ionic mobility of alkali metal ions in aqueous solution is maximum for :-

The ionic conductances of Al^(3+) and SO_(4)^(2-) at infinite dilution are x and y ohm^(-1) cm^(2) respectively. If Kohlrausch law is validthen molar conductance of aluminium sulphate infinite dilution will be

The ionic conductance of Ba^(2+) and CI^(-)are respectively127 and 76 omega^(-1)cm^(2)of BaCI_(2)at infinitedilution will be

The ionic conductance of following cations in a given conc. is in the order

The ionic conductance in aqueous medium is least for :

The ionic carbide is:

The ionic carbide is

The ionCo(en) Cl_(2)Br_(2)^(-)is expected to have x isomers. Find the value of x.

The ion with highest magnetic moment is

The ion which exhibits orange red colour in aqueous solution is

The ion that is isoelectronic with CO is :

The ion that is isoelectronic with CO is:

The ion that is isoelectronic with CO is -

The ion that cannot undergo disproportionation is

The ion that cannot be precipitated by both HCl and H_2S is: