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

26622 Which of the following organic compounds exhibits positive Fehling test as well as iodoform test

1 Methanal
2 Ethanol
3 Propanone
4 Ethanal
ALDEHYDES, KETONES AND CARBOXYLIC ACID

26623 Which of the following compound will undergo self aldol condensation in the presence of cold dilute alkali

1 \({C_6}{H_5}CHO\)
2 \(C{H_3}C{H_2}CHO\)
3 \(CH \equiv C - CHO\)
4 \(C{H_2} = CH - CHO\)
ALDEHYDES, KETONES AND CARBOXYLIC ACID

26624 Acetaldehyde when treated with dilute \(NaOH\) gives

1 \(C{H_3}C{H_2}OH\)
2 \(C{H_3}COOH\)
3 \(C{H_3} - \mathop {\mathop C\limits^| H}\limits^{OH}  - C{H_2} - CHO\)
4 \(C{H_3} - C{H_3}\)
ALDEHYDES, KETONES AND CARBOXYLIC ACID

26625 \({C_2}{H_5}CHO\) and \({(C{H_3})_2}CO\) can be distinguished by testing with

1 Phenyl hydrazine
2 Hydroxylamine
3 Fehling solution
4 Sodium bisulphite
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ALDEHYDES, KETONES AND CARBOXYLIC ACID

26622 Which of the following organic compounds exhibits positive Fehling test as well as iodoform test

1 Methanal
2 Ethanol
3 Propanone
4 Ethanal
ALDEHYDES, KETONES AND CARBOXYLIC ACID

26623 Which of the following compound will undergo self aldol condensation in the presence of cold dilute alkali

1 \({C_6}{H_5}CHO\)
2 \(C{H_3}C{H_2}CHO\)
3 \(CH \equiv C - CHO\)
4 \(C{H_2} = CH - CHO\)
ALDEHYDES, KETONES AND CARBOXYLIC ACID

26624 Acetaldehyde when treated with dilute \(NaOH\) gives

1 \(C{H_3}C{H_2}OH\)
2 \(C{H_3}COOH\)
3 \(C{H_3} - \mathop {\mathop C\limits^| H}\limits^{OH}  - C{H_2} - CHO\)
4 \(C{H_3} - C{H_3}\)
ALDEHYDES, KETONES AND CARBOXYLIC ACID

26625 \({C_2}{H_5}CHO\) and \({(C{H_3})_2}CO\) can be distinguished by testing with

1 Phenyl hydrazine
2 Hydroxylamine
3 Fehling solution
4 Sodium bisulphite
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ALDEHYDES, KETONES AND CARBOXYLIC ACID

26622 Which of the following organic compounds exhibits positive Fehling test as well as iodoform test

1 Methanal
2 Ethanol
3 Propanone
4 Ethanal
ALDEHYDES, KETONES AND CARBOXYLIC ACID

26623 Which of the following compound will undergo self aldol condensation in the presence of cold dilute alkali

1 \({C_6}{H_5}CHO\)
2 \(C{H_3}C{H_2}CHO\)
3 \(CH \equiv C - CHO\)
4 \(C{H_2} = CH - CHO\)
ALDEHYDES, KETONES AND CARBOXYLIC ACID

26624 Acetaldehyde when treated with dilute \(NaOH\) gives

1 \(C{H_3}C{H_2}OH\)
2 \(C{H_3}COOH\)
3 \(C{H_3} - \mathop {\mathop C\limits^| H}\limits^{OH}  - C{H_2} - CHO\)
4 \(C{H_3} - C{H_3}\)
ALDEHYDES, KETONES AND CARBOXYLIC ACID

26625 \({C_2}{H_5}CHO\) and \({(C{H_3})_2}CO\) can be distinguished by testing with

1 Phenyl hydrazine
2 Hydroxylamine
3 Fehling solution
4 Sodium bisulphite
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ALDEHYDES, KETONES AND CARBOXYLIC ACID

26622 Which of the following organic compounds exhibits positive Fehling test as well as iodoform test

1 Methanal
2 Ethanol
3 Propanone
4 Ethanal
ALDEHYDES, KETONES AND CARBOXYLIC ACID

26623 Which of the following compound will undergo self aldol condensation in the presence of cold dilute alkali

1 \({C_6}{H_5}CHO\)
2 \(C{H_3}C{H_2}CHO\)
3 \(CH \equiv C - CHO\)
4 \(C{H_2} = CH - CHO\)
ALDEHYDES, KETONES AND CARBOXYLIC ACID

26624 Acetaldehyde when treated with dilute \(NaOH\) gives

1 \(C{H_3}C{H_2}OH\)
2 \(C{H_3}COOH\)
3 \(C{H_3} - \mathop {\mathop C\limits^| H}\limits^{OH}  - C{H_2} - CHO\)
4 \(C{H_3} - C{H_3}\)
ALDEHYDES, KETONES AND CARBOXYLIC ACID

26625 \({C_2}{H_5}CHO\) and \({(C{H_3})_2}CO\) can be distinguished by testing with

1 Phenyl hydrazine
2 Hydroxylamine
3 Fehling solution
4 Sodium bisulphite