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

323667 \({\text{C}}{{\text{H}}_{\text{3}}} - {\text{CHO + 2C}}{{\text{u}}^{{\text{2 + }}}}{\text{ + 5O}}{{\text{H}}^{{ - }}}\)
\(\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\xrightarrow{\Delta }\) Red brown ppt
The change that occurs in the reaction is
\({\mathrm{\mathrm{Cu}^{2+} \longrightarrow \mathrm{Cu}^{x+}}}\).
The value of \({\mathrm{x}}\) is ____ .

1 1
2 2
3 3
4 4
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323668 Which of the following compounds will give silver mirror with ammonical silver nitrate?
(I) Formic acid
(II) Formaldehyde
(III) Benzaldehyde
(IV) Acetone
Choose the correct answer from the options given below

1 (II) and (III) only
2 (III) and (IV) only
3 (I), (II) and (III) only
4 (I) only
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323669 Statement A :
A bright silver mirror is produced during the warming of an aldehyde with freshly prepared ammoniacal silver nitrate solution.
Statement B :
A bright silver mirror is produced due to the formation of silver metal.

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

323670 Which statement is incorrect in the case of acetaldehyde and acetone ?

1 Both react with hydroxylamine
2 Both react with \(\mathrm{NaHSO}_{3}\)
3 Both react with hydrazine
4 Both reduce ammonical silver nitrate
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323667 \({\text{C}}{{\text{H}}_{\text{3}}} - {\text{CHO + 2C}}{{\text{u}}^{{\text{2 + }}}}{\text{ + 5O}}{{\text{H}}^{{ - }}}\)
\(\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\xrightarrow{\Delta }\) Red brown ppt
The change that occurs in the reaction is
\({\mathrm{\mathrm{Cu}^{2+} \longrightarrow \mathrm{Cu}^{x+}}}\).
The value of \({\mathrm{x}}\) is ____ .

1 1
2 2
3 3
4 4
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323668 Which of the following compounds will give silver mirror with ammonical silver nitrate?
(I) Formic acid
(II) Formaldehyde
(III) Benzaldehyde
(IV) Acetone
Choose the correct answer from the options given below

1 (II) and (III) only
2 (III) and (IV) only
3 (I), (II) and (III) only
4 (I) only
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323669 Statement A :
A bright silver mirror is produced during the warming of an aldehyde with freshly prepared ammoniacal silver nitrate solution.
Statement B :
A bright silver mirror is produced due to the formation of silver metal.

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

323670 Which statement is incorrect in the case of acetaldehyde and acetone ?

1 Both react with hydroxylamine
2 Both react with \(\mathrm{NaHSO}_{3}\)
3 Both react with hydrazine
4 Both reduce ammonical silver nitrate
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323667 \({\text{C}}{{\text{H}}_{\text{3}}} - {\text{CHO + 2C}}{{\text{u}}^{{\text{2 + }}}}{\text{ + 5O}}{{\text{H}}^{{ - }}}\)
\(\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\xrightarrow{\Delta }\) Red brown ppt
The change that occurs in the reaction is
\({\mathrm{\mathrm{Cu}^{2+} \longrightarrow \mathrm{Cu}^{x+}}}\).
The value of \({\mathrm{x}}\) is ____ .

1 1
2 2
3 3
4 4
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323668 Which of the following compounds will give silver mirror with ammonical silver nitrate?
(I) Formic acid
(II) Formaldehyde
(III) Benzaldehyde
(IV) Acetone
Choose the correct answer from the options given below

1 (II) and (III) only
2 (III) and (IV) only
3 (I), (II) and (III) only
4 (I) only
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323669 Statement A :
A bright silver mirror is produced during the warming of an aldehyde with freshly prepared ammoniacal silver nitrate solution.
Statement B :
A bright silver mirror is produced due to the formation of silver metal.

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

323670 Which statement is incorrect in the case of acetaldehyde and acetone ?

1 Both react with hydroxylamine
2 Both react with \(\mathrm{NaHSO}_{3}\)
3 Both react with hydrazine
4 Both reduce ammonical silver nitrate
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323667 \({\text{C}}{{\text{H}}_{\text{3}}} - {\text{CHO + 2C}}{{\text{u}}^{{\text{2 + }}}}{\text{ + 5O}}{{\text{H}}^{{ - }}}\)
\(\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\xrightarrow{\Delta }\) Red brown ppt
The change that occurs in the reaction is
\({\mathrm{\mathrm{Cu}^{2+} \longrightarrow \mathrm{Cu}^{x+}}}\).
The value of \({\mathrm{x}}\) is ____ .

1 1
2 2
3 3
4 4
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323668 Which of the following compounds will give silver mirror with ammonical silver nitrate?
(I) Formic acid
(II) Formaldehyde
(III) Benzaldehyde
(IV) Acetone
Choose the correct answer from the options given below

1 (II) and (III) only
2 (III) and (IV) only
3 (I), (II) and (III) only
4 (I) only
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323669 Statement A :
A bright silver mirror is produced during the warming of an aldehyde with freshly prepared ammoniacal silver nitrate solution.
Statement B :
A bright silver mirror is produced due to the formation of silver metal.

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

323670 Which statement is incorrect in the case of acetaldehyde and acetone ?

1 Both react with hydroxylamine
2 Both react with \(\mathrm{NaHSO}_{3}\)
3 Both react with hydrazine
4 Both reduce ammonical silver nitrate