Acid Derivatives
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323415 When acetic acid is heated with \(\mathrm{P}_{2} \mathrm{O}_{5}\) the
compound formed will be :

1 \(\left(\mathrm{CH}_{3} \mathrm{CO}\right)_{2} \mathrm{O}\)
2 \(\mathrm{CH}_{3} \mathrm{COCH}_{3}\)
3 \(\mathrm{CH}_{3} \mathrm{CHO}\)
4 \(\mathrm{CH}_{4}\)
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323416 In which reaction, an aromatic aldehyde is treated with acetic anhydride in presence of corresponding salt of the acid to give an unsaturated aromatic acid?

1 Friedel-Crafts reaction
2 Perkin's reaction
3 Wurtz reaction
4 None of these
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323417 The correct set of reagents for the following conversion is
supporting img

1 \(\mathrm{P}_{4} / \mathrm{I}_{2}, \mathrm{Na}\), conc. \(\mathrm{H}_{2} \mathrm{SO}_{4}\)
2 \(\mathrm{P}_{2} \mathrm{O}_{5}, \mathrm{LiAlH}_{4}\)
3 \(\mathrm{P}_{2} \mathrm{O}_{5} / \Delta, \mathrm{H}_{2} \mathrm{O}, \mathrm{P}_{4} / \mathrm{I}_{2}, \mathrm{Na}\)
4 \(\mathrm{P}_{4} / \mathrm{I}_{2}, \mathrm{Na}, \mathrm{P}_{2} \mathrm{O}_{5} / \Delta\)
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323418 If 1 g of propionic anhydride is introduced quantitatively into water the volume of 0.5 N alkali required for neutralisation of solution is ____ .

1 11.1
2 22.2
3 33.3
4 44.4
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323415 When acetic acid is heated with \(\mathrm{P}_{2} \mathrm{O}_{5}\) the
compound formed will be :

1 \(\left(\mathrm{CH}_{3} \mathrm{CO}\right)_{2} \mathrm{O}\)
2 \(\mathrm{CH}_{3} \mathrm{COCH}_{3}\)
3 \(\mathrm{CH}_{3} \mathrm{CHO}\)
4 \(\mathrm{CH}_{4}\)
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323416 In which reaction, an aromatic aldehyde is treated with acetic anhydride in presence of corresponding salt of the acid to give an unsaturated aromatic acid?

1 Friedel-Crafts reaction
2 Perkin's reaction
3 Wurtz reaction
4 None of these
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323417 The correct set of reagents for the following conversion is
supporting img

1 \(\mathrm{P}_{4} / \mathrm{I}_{2}, \mathrm{Na}\), conc. \(\mathrm{H}_{2} \mathrm{SO}_{4}\)
2 \(\mathrm{P}_{2} \mathrm{O}_{5}, \mathrm{LiAlH}_{4}\)
3 \(\mathrm{P}_{2} \mathrm{O}_{5} / \Delta, \mathrm{H}_{2} \mathrm{O}, \mathrm{P}_{4} / \mathrm{I}_{2}, \mathrm{Na}\)
4 \(\mathrm{P}_{4} / \mathrm{I}_{2}, \mathrm{Na}, \mathrm{P}_{2} \mathrm{O}_{5} / \Delta\)
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323418 If 1 g of propionic anhydride is introduced quantitatively into water the volume of 0.5 N alkali required for neutralisation of solution is ____ .

1 11.1
2 22.2
3 33.3
4 44.4
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323415 When acetic acid is heated with \(\mathrm{P}_{2} \mathrm{O}_{5}\) the
compound formed will be :

1 \(\left(\mathrm{CH}_{3} \mathrm{CO}\right)_{2} \mathrm{O}\)
2 \(\mathrm{CH}_{3} \mathrm{COCH}_{3}\)
3 \(\mathrm{CH}_{3} \mathrm{CHO}\)
4 \(\mathrm{CH}_{4}\)
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323416 In which reaction, an aromatic aldehyde is treated with acetic anhydride in presence of corresponding salt of the acid to give an unsaturated aromatic acid?

1 Friedel-Crafts reaction
2 Perkin's reaction
3 Wurtz reaction
4 None of these
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323417 The correct set of reagents for the following conversion is
supporting img

1 \(\mathrm{P}_{4} / \mathrm{I}_{2}, \mathrm{Na}\), conc. \(\mathrm{H}_{2} \mathrm{SO}_{4}\)
2 \(\mathrm{P}_{2} \mathrm{O}_{5}, \mathrm{LiAlH}_{4}\)
3 \(\mathrm{P}_{2} \mathrm{O}_{5} / \Delta, \mathrm{H}_{2} \mathrm{O}, \mathrm{P}_{4} / \mathrm{I}_{2}, \mathrm{Na}\)
4 \(\mathrm{P}_{4} / \mathrm{I}_{2}, \mathrm{Na}, \mathrm{P}_{2} \mathrm{O}_{5} / \Delta\)
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323418 If 1 g of propionic anhydride is introduced quantitatively into water the volume of 0.5 N alkali required for neutralisation of solution is ____ .

1 11.1
2 22.2
3 33.3
4 44.4
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323415 When acetic acid is heated with \(\mathrm{P}_{2} \mathrm{O}_{5}\) the
compound formed will be :

1 \(\left(\mathrm{CH}_{3} \mathrm{CO}\right)_{2} \mathrm{O}\)
2 \(\mathrm{CH}_{3} \mathrm{COCH}_{3}\)
3 \(\mathrm{CH}_{3} \mathrm{CHO}\)
4 \(\mathrm{CH}_{4}\)
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323416 In which reaction, an aromatic aldehyde is treated with acetic anhydride in presence of corresponding salt of the acid to give an unsaturated aromatic acid?

1 Friedel-Crafts reaction
2 Perkin's reaction
3 Wurtz reaction
4 None of these
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323417 The correct set of reagents for the following conversion is
supporting img

1 \(\mathrm{P}_{4} / \mathrm{I}_{2}, \mathrm{Na}\), conc. \(\mathrm{H}_{2} \mathrm{SO}_{4}\)
2 \(\mathrm{P}_{2} \mathrm{O}_{5}, \mathrm{LiAlH}_{4}\)
3 \(\mathrm{P}_{2} \mathrm{O}_{5} / \Delta, \mathrm{H}_{2} \mathrm{O}, \mathrm{P}_{4} / \mathrm{I}_{2}, \mathrm{Na}\)
4 \(\mathrm{P}_{4} / \mathrm{I}_{2}, \mathrm{Na}, \mathrm{P}_{2} \mathrm{O}_{5} / \Delta\)
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323418 If 1 g of propionic anhydride is introduced quantitatively into water the volume of 0.5 N alkali required for neutralisation of solution is ____ .

1 11.1
2 22.2
3 33.3
4 44.4