Chemical Reactions of Aldehydes and Ketones
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CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323508 The correct statement (s) is/are
supporting img

1 the product is a mixture of two compounds
2 the product is a optically active
3 the product is a mixture of two chiral and one achiral stereoisomers
4 the product is a mixture of four stereoisomers
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323509 Statement A :
The reaction of aldehydes and ketones with pure \(\mathrm{HCN}\) is very slow to yield cyanohydrin.
Statement B :
The above reaction is catalysed by a base and generated cyanide ion being a weaker nucleophile adds to carbonyl compounds to yield, corresponding cyanohydrin.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323510 Assertion :
Urotropine is used as medicine in case of urinary trobules.
Reason :
\(\mathrm{CH}_{3} \mathrm{CHO}\) reacts with \(\mathrm{NH}_{3}\) to form urotropine.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323511 Assertion :
Addition of \(\mathrm{HCN}\) to carbonyl compounds gives cyanohydrins.
Reason :
Pure HCN reacts with aldehydes and ketones.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323512 During nucleophilic addition of \(\mathrm{NaHSO}_{3}\) to carbonyl group, the oxidation number of sulphur is changed from ____ to ____?

1 +4 to +6
2 +4 to +5
3 +4 to +3
4 +4 to +2
NEET DIGITAL LIBRARY
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323508 The correct statement (s) is/are
supporting img

1 the product is a mixture of two compounds
2 the product is a optically active
3 the product is a mixture of two chiral and one achiral stereoisomers
4 the product is a mixture of four stereoisomers
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323509 Statement A :
The reaction of aldehydes and ketones with pure \(\mathrm{HCN}\) is very slow to yield cyanohydrin.
Statement B :
The above reaction is catalysed by a base and generated cyanide ion being a weaker nucleophile adds to carbonyl compounds to yield, corresponding cyanohydrin.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323510 Assertion :
Urotropine is used as medicine in case of urinary trobules.
Reason :
\(\mathrm{CH}_{3} \mathrm{CHO}\) reacts with \(\mathrm{NH}_{3}\) to form urotropine.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323511 Assertion :
Addition of \(\mathrm{HCN}\) to carbonyl compounds gives cyanohydrins.
Reason :
Pure HCN reacts with aldehydes and ketones.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323512 During nucleophilic addition of \(\mathrm{NaHSO}_{3}\) to carbonyl group, the oxidation number of sulphur is changed from ____ to ____?

1 +4 to +6
2 +4 to +5
3 +4 to +3
4 +4 to +2
Join With Us for More Updates
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323508 The correct statement (s) is/are
supporting img

1 the product is a mixture of two compounds
2 the product is a optically active
3 the product is a mixture of two chiral and one achiral stereoisomers
4 the product is a mixture of four stereoisomers
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323509 Statement A :
The reaction of aldehydes and ketones with pure \(\mathrm{HCN}\) is very slow to yield cyanohydrin.
Statement B :
The above reaction is catalysed by a base and generated cyanide ion being a weaker nucleophile adds to carbonyl compounds to yield, corresponding cyanohydrin.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323510 Assertion :
Urotropine is used as medicine in case of urinary trobules.
Reason :
\(\mathrm{CH}_{3} \mathrm{CHO}\) reacts with \(\mathrm{NH}_{3}\) to form urotropine.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323511 Assertion :
Addition of \(\mathrm{HCN}\) to carbonyl compounds gives cyanohydrins.
Reason :
Pure HCN reacts with aldehydes and ketones.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323512 During nucleophilic addition of \(\mathrm{NaHSO}_{3}\) to carbonyl group, the oxidation number of sulphur is changed from ____ to ____?

1 +4 to +6
2 +4 to +5
3 +4 to +3
4 +4 to +2
For More Updates join with Us
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323508 The correct statement (s) is/are
supporting img

1 the product is a mixture of two compounds
2 the product is a optically active
3 the product is a mixture of two chiral and one achiral stereoisomers
4 the product is a mixture of four stereoisomers
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323509 Statement A :
The reaction of aldehydes and ketones with pure \(\mathrm{HCN}\) is very slow to yield cyanohydrin.
Statement B :
The above reaction is catalysed by a base and generated cyanide ion being a weaker nucleophile adds to carbonyl compounds to yield, corresponding cyanohydrin.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323510 Assertion :
Urotropine is used as medicine in case of urinary trobules.
Reason :
\(\mathrm{CH}_{3} \mathrm{CHO}\) reacts with \(\mathrm{NH}_{3}\) to form urotropine.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323511 Assertion :
Addition of \(\mathrm{HCN}\) to carbonyl compounds gives cyanohydrins.
Reason :
Pure HCN reacts with aldehydes and ketones.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323512 During nucleophilic addition of \(\mathrm{NaHSO}_{3}\) to carbonyl group, the oxidation number of sulphur is changed from ____ to ____?

1 +4 to +6
2 +4 to +5
3 +4 to +3
4 +4 to +2
NEET DIGITAL LIBRARY
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323508 The correct statement (s) is/are
supporting img

1 the product is a mixture of two compounds
2 the product is a optically active
3 the product is a mixture of two chiral and one achiral stereoisomers
4 the product is a mixture of four stereoisomers
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323509 Statement A :
The reaction of aldehydes and ketones with pure \(\mathrm{HCN}\) is very slow to yield cyanohydrin.
Statement B :
The above reaction is catalysed by a base and generated cyanide ion being a weaker nucleophile adds to carbonyl compounds to yield, corresponding cyanohydrin.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323510 Assertion :
Urotropine is used as medicine in case of urinary trobules.
Reason :
\(\mathrm{CH}_{3} \mathrm{CHO}\) reacts with \(\mathrm{NH}_{3}\) to form urotropine.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323511 Assertion :
Addition of \(\mathrm{HCN}\) to carbonyl compounds gives cyanohydrins.
Reason :
Pure HCN reacts with aldehydes and ketones.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323512 During nucleophilic addition of \(\mathrm{NaHSO}_{3}\) to carbonyl group, the oxidation number of sulphur is changed from ____ to ____?

1 +4 to +6
2 +4 to +5
3 +4 to +3
4 +4 to +2