12. ALDEHYDES KETONES AND CARBOXYLIC ACIDS
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ALDEHYDES, KETONES AND CARBOXYLIC ACID

26612 Reduction of \( > C = O\) to \(C{H_2}\) can be carried out with

1 Catalytic reduction
2 \(Na/{C_2}{H_5}OH\)
3 Wolf-Kischner reduction
4 \(LiAl{H_4}\)
ALDEHYDES, KETONES AND CARBOXYLIC ACID

26613 For \({C_6}{H_5}CHO\) which of the following is incorrect

1 On oxidation it yields benzoic acid
2 It is used in perfumery
3 It is an aromatic aldehyde
4 On reduction yields phenol
ALDEHYDES, KETONES AND CARBOXYLIC ACID

26615 Which of the following is incorrect

1 \(FeC{l_3}\) is used in the detection of phenols
2 Fehling solution is used in the detection of glucose
3 Tollen’s reagent is used in detection of unsaturation
4 \(NaHS{O_3}\) is used in the detection of carbonyl compounds
ALDEHYDES, KETONES AND CARBOXYLIC ACID

26616 Consider the following statement Acetophenone can be prepared by\((1)\) Oxidation of \(1-\) phenylethanol\((2)\) Reaction of benzalthanol with methyl magnesium bromide\((3)\) Friedel craft’s reaction of benzene with acetyl chloride\((4)\) Distillation of calcium benzoate

1 \(1\) and \(2\)
2 \(1\) and \(4\)
3 \(1\) and \(3\)
4 \(3\) and \(4\)
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ALDEHYDES, KETONES AND CARBOXYLIC ACID

26612 Reduction of \( > C = O\) to \(C{H_2}\) can be carried out with

1 Catalytic reduction
2 \(Na/{C_2}{H_5}OH\)
3 Wolf-Kischner reduction
4 \(LiAl{H_4}\)
ALDEHYDES, KETONES AND CARBOXYLIC ACID

26613 For \({C_6}{H_5}CHO\) which of the following is incorrect

1 On oxidation it yields benzoic acid
2 It is used in perfumery
3 It is an aromatic aldehyde
4 On reduction yields phenol
ALDEHYDES, KETONES AND CARBOXYLIC ACID

26615 Which of the following is incorrect

1 \(FeC{l_3}\) is used in the detection of phenols
2 Fehling solution is used in the detection of glucose
3 Tollen’s reagent is used in detection of unsaturation
4 \(NaHS{O_3}\) is used in the detection of carbonyl compounds
ALDEHYDES, KETONES AND CARBOXYLIC ACID

26616 Consider the following statement Acetophenone can be prepared by\((1)\) Oxidation of \(1-\) phenylethanol\((2)\) Reaction of benzalthanol with methyl magnesium bromide\((3)\) Friedel craft’s reaction of benzene with acetyl chloride\((4)\) Distillation of calcium benzoate

1 \(1\) and \(2\)
2 \(1\) and \(4\)
3 \(1\) and \(3\)
4 \(3\) and \(4\)
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ALDEHYDES, KETONES AND CARBOXYLIC ACID

26612 Reduction of \( > C = O\) to \(C{H_2}\) can be carried out with

1 Catalytic reduction
2 \(Na/{C_2}{H_5}OH\)
3 Wolf-Kischner reduction
4 \(LiAl{H_4}\)
ALDEHYDES, KETONES AND CARBOXYLIC ACID

26613 For \({C_6}{H_5}CHO\) which of the following is incorrect

1 On oxidation it yields benzoic acid
2 It is used in perfumery
3 It is an aromatic aldehyde
4 On reduction yields phenol
ALDEHYDES, KETONES AND CARBOXYLIC ACID

26615 Which of the following is incorrect

1 \(FeC{l_3}\) is used in the detection of phenols
2 Fehling solution is used in the detection of glucose
3 Tollen’s reagent is used in detection of unsaturation
4 \(NaHS{O_3}\) is used in the detection of carbonyl compounds
ALDEHYDES, KETONES AND CARBOXYLIC ACID

26616 Consider the following statement Acetophenone can be prepared by\((1)\) Oxidation of \(1-\) phenylethanol\((2)\) Reaction of benzalthanol with methyl magnesium bromide\((3)\) Friedel craft’s reaction of benzene with acetyl chloride\((4)\) Distillation of calcium benzoate

1 \(1\) and \(2\)
2 \(1\) and \(4\)
3 \(1\) and \(3\)
4 \(3\) and \(4\)
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ALDEHYDES, KETONES AND CARBOXYLIC ACID

26612 Reduction of \( > C = O\) to \(C{H_2}\) can be carried out with

1 Catalytic reduction
2 \(Na/{C_2}{H_5}OH\)
3 Wolf-Kischner reduction
4 \(LiAl{H_4}\)
ALDEHYDES, KETONES AND CARBOXYLIC ACID

26613 For \({C_6}{H_5}CHO\) which of the following is incorrect

1 On oxidation it yields benzoic acid
2 It is used in perfumery
3 It is an aromatic aldehyde
4 On reduction yields phenol
ALDEHYDES, KETONES AND CARBOXYLIC ACID

26615 Which of the following is incorrect

1 \(FeC{l_3}\) is used in the detection of phenols
2 Fehling solution is used in the detection of glucose
3 Tollen’s reagent is used in detection of unsaturation
4 \(NaHS{O_3}\) is used in the detection of carbonyl compounds
ALDEHYDES, KETONES AND CARBOXYLIC ACID

26616 Consider the following statement Acetophenone can be prepared by\((1)\) Oxidation of \(1-\) phenylethanol\((2)\) Reaction of benzalthanol with methyl magnesium bromide\((3)\) Friedel craft’s reaction of benzene with acetyl chloride\((4)\) Distillation of calcium benzoate

1 \(1\) and \(2\)
2 \(1\) and \(4\)
3 \(1\) and \(3\)
4 \(3\) and \(4\)
NEET DIGITAL LIBRARY