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

26617 Which one of the following pairs is not correctly matched

1 \( > C = O\xrightarrow{{{\text{Clemenson's reduction}}}} > C{H_2}\)
2 \( > C = O\xrightarrow{{{\text{Wolf  - Kishner reduction}}}} > CHOH\)
3 \( - COCl\xrightarrow{{{\text{Rosenmund's reduction}}}}CHO\)
4 \( - C \equiv N\xrightarrow{{{\text{Stephen reduction}}}}CHO\)
ALDEHYDES, KETONES AND CARBOXYLIC ACID

26618 Which of the following gives aldol condensation reaction

1 \({C_6}{H_5}OH\)
2 \({C_6}{H_5} - \mathop {\mathop {C - }\limits^{||\,\,\,} }\limits^{O\,\,} {C_6}{H_5}\)
3 \(C{H_3}C{H_2} - \mathop {\mathop {C - }\limits^{||\,\,\,} }\limits^{O\,\,} C{H_3}\)
4 \({(C{H_3})_3}C - \mathop {\mathop {C - }\limits^{||\,\,\,} }\limits^{O\,\,} C{H_3}\)
ALDEHYDES, KETONES AND CARBOXYLIC ACID

26619 Which of the following products is formed when benzaldehyde is treated with \(C{H_3}MgBr\) and the addition product so obtained is subjected to acid hydrolysis

1 Secondary alcohol
2 A primary alcohol
3 Phenol
4 Tert-Butyl alcohol
ALDEHYDES, KETONES AND CARBOXYLIC ACID

26620 Aldol condensation will not be observed in

1 Chloral
2 Phenyl acetaldehyde
3 Hexanal
4 Ethanol
ALDEHYDES, KETONES AND CARBOXYLIC ACID

26621 Which of the following compounds containing carbonyl group will give coloured crystalline compound with

1 \(C{H_3}COCl\)
2 \(C{H_3}COC{H_3}\)
3 \(C{H_3}CO(O{C_2}{H_5})\,\)
4 \(C{H_3}CON{H_2}\)
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ALDEHYDES, KETONES AND CARBOXYLIC ACID

26617 Which one of the following pairs is not correctly matched

1 \( > C = O\xrightarrow{{{\text{Clemenson's reduction}}}} > C{H_2}\)
2 \( > C = O\xrightarrow{{{\text{Wolf  - Kishner reduction}}}} > CHOH\)
3 \( - COCl\xrightarrow{{{\text{Rosenmund's reduction}}}}CHO\)
4 \( - C \equiv N\xrightarrow{{{\text{Stephen reduction}}}}CHO\)
ALDEHYDES, KETONES AND CARBOXYLIC ACID

26618 Which of the following gives aldol condensation reaction

1 \({C_6}{H_5}OH\)
2 \({C_6}{H_5} - \mathop {\mathop {C - }\limits^{||\,\,\,} }\limits^{O\,\,} {C_6}{H_5}\)
3 \(C{H_3}C{H_2} - \mathop {\mathop {C - }\limits^{||\,\,\,} }\limits^{O\,\,} C{H_3}\)
4 \({(C{H_3})_3}C - \mathop {\mathop {C - }\limits^{||\,\,\,} }\limits^{O\,\,} C{H_3}\)
ALDEHYDES, KETONES AND CARBOXYLIC ACID

26619 Which of the following products is formed when benzaldehyde is treated with \(C{H_3}MgBr\) and the addition product so obtained is subjected to acid hydrolysis

1 Secondary alcohol
2 A primary alcohol
3 Phenol
4 Tert-Butyl alcohol
ALDEHYDES, KETONES AND CARBOXYLIC ACID

26620 Aldol condensation will not be observed in

1 Chloral
2 Phenyl acetaldehyde
3 Hexanal
4 Ethanol
ALDEHYDES, KETONES AND CARBOXYLIC ACID

26621 Which of the following compounds containing carbonyl group will give coloured crystalline compound with

1 \(C{H_3}COCl\)
2 \(C{H_3}COC{H_3}\)
3 \(C{H_3}CO(O{C_2}{H_5})\,\)
4 \(C{H_3}CON{H_2}\)
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ALDEHYDES, KETONES AND CARBOXYLIC ACID

26617 Which one of the following pairs is not correctly matched

1 \( > C = O\xrightarrow{{{\text{Clemenson's reduction}}}} > C{H_2}\)
2 \( > C = O\xrightarrow{{{\text{Wolf  - Kishner reduction}}}} > CHOH\)
3 \( - COCl\xrightarrow{{{\text{Rosenmund's reduction}}}}CHO\)
4 \( - C \equiv N\xrightarrow{{{\text{Stephen reduction}}}}CHO\)
ALDEHYDES, KETONES AND CARBOXYLIC ACID

26618 Which of the following gives aldol condensation reaction

1 \({C_6}{H_5}OH\)
2 \({C_6}{H_5} - \mathop {\mathop {C - }\limits^{||\,\,\,} }\limits^{O\,\,} {C_6}{H_5}\)
3 \(C{H_3}C{H_2} - \mathop {\mathop {C - }\limits^{||\,\,\,} }\limits^{O\,\,} C{H_3}\)
4 \({(C{H_3})_3}C - \mathop {\mathop {C - }\limits^{||\,\,\,} }\limits^{O\,\,} C{H_3}\)
ALDEHYDES, KETONES AND CARBOXYLIC ACID

26619 Which of the following products is formed when benzaldehyde is treated with \(C{H_3}MgBr\) and the addition product so obtained is subjected to acid hydrolysis

1 Secondary alcohol
2 A primary alcohol
3 Phenol
4 Tert-Butyl alcohol
ALDEHYDES, KETONES AND CARBOXYLIC ACID

26620 Aldol condensation will not be observed in

1 Chloral
2 Phenyl acetaldehyde
3 Hexanal
4 Ethanol
ALDEHYDES, KETONES AND CARBOXYLIC ACID

26621 Which of the following compounds containing carbonyl group will give coloured crystalline compound with

1 \(C{H_3}COCl\)
2 \(C{H_3}COC{H_3}\)
3 \(C{H_3}CO(O{C_2}{H_5})\,\)
4 \(C{H_3}CON{H_2}\)
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ALDEHYDES, KETONES AND CARBOXYLIC ACID

26617 Which one of the following pairs is not correctly matched

1 \( > C = O\xrightarrow{{{\text{Clemenson's reduction}}}} > C{H_2}\)
2 \( > C = O\xrightarrow{{{\text{Wolf  - Kishner reduction}}}} > CHOH\)
3 \( - COCl\xrightarrow{{{\text{Rosenmund's reduction}}}}CHO\)
4 \( - C \equiv N\xrightarrow{{{\text{Stephen reduction}}}}CHO\)
ALDEHYDES, KETONES AND CARBOXYLIC ACID

26618 Which of the following gives aldol condensation reaction

1 \({C_6}{H_5}OH\)
2 \({C_6}{H_5} - \mathop {\mathop {C - }\limits^{||\,\,\,} }\limits^{O\,\,} {C_6}{H_5}\)
3 \(C{H_3}C{H_2} - \mathop {\mathop {C - }\limits^{||\,\,\,} }\limits^{O\,\,} C{H_3}\)
4 \({(C{H_3})_3}C - \mathop {\mathop {C - }\limits^{||\,\,\,} }\limits^{O\,\,} C{H_3}\)
ALDEHYDES, KETONES AND CARBOXYLIC ACID

26619 Which of the following products is formed when benzaldehyde is treated with \(C{H_3}MgBr\) and the addition product so obtained is subjected to acid hydrolysis

1 Secondary alcohol
2 A primary alcohol
3 Phenol
4 Tert-Butyl alcohol
ALDEHYDES, KETONES AND CARBOXYLIC ACID

26620 Aldol condensation will not be observed in

1 Chloral
2 Phenyl acetaldehyde
3 Hexanal
4 Ethanol
ALDEHYDES, KETONES AND CARBOXYLIC ACID

26621 Which of the following compounds containing carbonyl group will give coloured crystalline compound with

1 \(C{H_3}COCl\)
2 \(C{H_3}COC{H_3}\)
3 \(C{H_3}CO(O{C_2}{H_5})\,\)
4 \(C{H_3}CON{H_2}\)
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ALDEHYDES, KETONES AND CARBOXYLIC ACID

26617 Which one of the following pairs is not correctly matched

1 \( > C = O\xrightarrow{{{\text{Clemenson's reduction}}}} > C{H_2}\)
2 \( > C = O\xrightarrow{{{\text{Wolf  - Kishner reduction}}}} > CHOH\)
3 \( - COCl\xrightarrow{{{\text{Rosenmund's reduction}}}}CHO\)
4 \( - C \equiv N\xrightarrow{{{\text{Stephen reduction}}}}CHO\)
ALDEHYDES, KETONES AND CARBOXYLIC ACID

26618 Which of the following gives aldol condensation reaction

1 \({C_6}{H_5}OH\)
2 \({C_6}{H_5} - \mathop {\mathop {C - }\limits^{||\,\,\,} }\limits^{O\,\,} {C_6}{H_5}\)
3 \(C{H_3}C{H_2} - \mathop {\mathop {C - }\limits^{||\,\,\,} }\limits^{O\,\,} C{H_3}\)
4 \({(C{H_3})_3}C - \mathop {\mathop {C - }\limits^{||\,\,\,} }\limits^{O\,\,} C{H_3}\)
ALDEHYDES, KETONES AND CARBOXYLIC ACID

26619 Which of the following products is formed when benzaldehyde is treated with \(C{H_3}MgBr\) and the addition product so obtained is subjected to acid hydrolysis

1 Secondary alcohol
2 A primary alcohol
3 Phenol
4 Tert-Butyl alcohol
ALDEHYDES, KETONES AND CARBOXYLIC ACID

26620 Aldol condensation will not be observed in

1 Chloral
2 Phenyl acetaldehyde
3 Hexanal
4 Ethanol
ALDEHYDES, KETONES AND CARBOXYLIC ACID

26621 Which of the following compounds containing carbonyl group will give coloured crystalline compound with

1 \(C{H_3}COCl\)
2 \(C{H_3}COC{H_3}\)
3 \(C{H_3}CO(O{C_2}{H_5})\,\)
4 \(C{H_3}CON{H_2}\)