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

323513 Assertion :
\(\mathrm{RCHO}, \mathrm{RCOCH}_{3}\), and cyclic
ketones react with sodium bisulphite.
Reason :
Crystalline solid derivatives are formed when aldehydes or ketones are shaken with saturated aqueous solution of sodium bisulphite.

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

323514 Which of the following compounds does not react with sodium bisulphate?

1 Propanone
2 Propionaldehyde
3 3-Pentanone
4 2-Pentanone
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323515 Read the Statement - A and Statement - B carefully to mark the correct options given below:
Statement A :
Sodium hydrogen sulphite adds to aldehydes and ketones is a useful method for separation and the purification of aldehydes.
Statement B :
The hydrogen sulphite addition compound is water soluble and can be converted back to the original carbonyl compound by treating it with dilute mineral acid or alkali.

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

323516 The formation of cyanohydrin from a ketone is an example of

1 Nucleophilic addition reaction
2 Electrophilic substitution reaction
3 Nucleophilic substitution reaction
4 Electrophilic addition reaction
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CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323513 Assertion :
\(\mathrm{RCHO}, \mathrm{RCOCH}_{3}\), and cyclic
ketones react with sodium bisulphite.
Reason :
Crystalline solid derivatives are formed when aldehydes or ketones are shaken with saturated aqueous solution of sodium bisulphite.

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

323514 Which of the following compounds does not react with sodium bisulphate?

1 Propanone
2 Propionaldehyde
3 3-Pentanone
4 2-Pentanone
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323515 Read the Statement - A and Statement - B carefully to mark the correct options given below:
Statement A :
Sodium hydrogen sulphite adds to aldehydes and ketones is a useful method for separation and the purification of aldehydes.
Statement B :
The hydrogen sulphite addition compound is water soluble and can be converted back to the original carbonyl compound by treating it with dilute mineral acid or alkali.

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

323516 The formation of cyanohydrin from a ketone is an example of

1 Nucleophilic addition reaction
2 Electrophilic substitution reaction
3 Nucleophilic substitution reaction
4 Electrophilic addition reaction
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323513 Assertion :
\(\mathrm{RCHO}, \mathrm{RCOCH}_{3}\), and cyclic
ketones react with sodium bisulphite.
Reason :
Crystalline solid derivatives are formed when aldehydes or ketones are shaken with saturated aqueous solution of sodium bisulphite.

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

323514 Which of the following compounds does not react with sodium bisulphate?

1 Propanone
2 Propionaldehyde
3 3-Pentanone
4 2-Pentanone
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323515 Read the Statement - A and Statement - B carefully to mark the correct options given below:
Statement A :
Sodium hydrogen sulphite adds to aldehydes and ketones is a useful method for separation and the purification of aldehydes.
Statement B :
The hydrogen sulphite addition compound is water soluble and can be converted back to the original carbonyl compound by treating it with dilute mineral acid or alkali.

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

323516 The formation of cyanohydrin from a ketone is an example of

1 Nucleophilic addition reaction
2 Electrophilic substitution reaction
3 Nucleophilic substitution reaction
4 Electrophilic addition reaction
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323513 Assertion :
\(\mathrm{RCHO}, \mathrm{RCOCH}_{3}\), and cyclic
ketones react with sodium bisulphite.
Reason :
Crystalline solid derivatives are formed when aldehydes or ketones are shaken with saturated aqueous solution of sodium bisulphite.

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

323514 Which of the following compounds does not react with sodium bisulphate?

1 Propanone
2 Propionaldehyde
3 3-Pentanone
4 2-Pentanone
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323515 Read the Statement - A and Statement - B carefully to mark the correct options given below:
Statement A :
Sodium hydrogen sulphite adds to aldehydes and ketones is a useful method for separation and the purification of aldehydes.
Statement B :
The hydrogen sulphite addition compound is water soluble and can be converted back to the original carbonyl compound by treating it with dilute mineral acid or alkali.

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

323516 The formation of cyanohydrin from a ketone is an example of

1 Nucleophilic addition reaction
2 Electrophilic substitution reaction
3 Nucleophilic substitution reaction
4 Electrophilic addition reaction