CARBOXYLIC ACIDS
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ALDEHYDES, KETONES AND CARBOXYLIC ACID

28038 What is the main reason for the fact that carboxylic acids can undergo ionization

1 Absence of \(\alpha - \)hydrogen
2 Resonance stabilisation of the carboxylate ion
3 High reactivity of \(\alpha - \)hydrogen
4 Hydrogen bonding
ALDEHYDES, KETONES AND CARBOXYLIC ACID

28039 Which of the following compounds will evolve hydrogen on treatment with metal

1 \({C_2}{H_5}OH\)
2 \(C{H_3}COOH\)
3 \((a)\) and \((b)\) both
4 None of these
ALDEHYDES, KETONES AND CARBOXYLIC ACID

28040 When urea is heated, it forms biurette, alkaline solution of which forms ..... with \(CuS{O_4}\) solution

1 Violet colour
2 Red colour
3 Green colour
4 Black colour
ALDEHYDES, KETONES AND CARBOXYLIC ACID

28041 Which of the following would be expected to be most highly ionised in water

1 \(C{H_2}ClC{H_2}C{H_2}COOH\)
2 \(C{H_3}CHCl.C{H_2}.COOH\)
3 \(C{H_3}.C{H_2}.CC{l_2}.COOH\)
4 \(C{H_3}.C{H_2}.CHCl.COOH\)
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ALDEHYDES, KETONES AND CARBOXYLIC ACID

28038 What is the main reason for the fact that carboxylic acids can undergo ionization

1 Absence of \(\alpha - \)hydrogen
2 Resonance stabilisation of the carboxylate ion
3 High reactivity of \(\alpha - \)hydrogen
4 Hydrogen bonding
ALDEHYDES, KETONES AND CARBOXYLIC ACID

28039 Which of the following compounds will evolve hydrogen on treatment with metal

1 \({C_2}{H_5}OH\)
2 \(C{H_3}COOH\)
3 \((a)\) and \((b)\) both
4 None of these
ALDEHYDES, KETONES AND CARBOXYLIC ACID

28040 When urea is heated, it forms biurette, alkaline solution of which forms ..... with \(CuS{O_4}\) solution

1 Violet colour
2 Red colour
3 Green colour
4 Black colour
ALDEHYDES, KETONES AND CARBOXYLIC ACID

28041 Which of the following would be expected to be most highly ionised in water

1 \(C{H_2}ClC{H_2}C{H_2}COOH\)
2 \(C{H_3}CHCl.C{H_2}.COOH\)
3 \(C{H_3}.C{H_2}.CC{l_2}.COOH\)
4 \(C{H_3}.C{H_2}.CHCl.COOH\)
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ALDEHYDES, KETONES AND CARBOXYLIC ACID

28038 What is the main reason for the fact that carboxylic acids can undergo ionization

1 Absence of \(\alpha - \)hydrogen
2 Resonance stabilisation of the carboxylate ion
3 High reactivity of \(\alpha - \)hydrogen
4 Hydrogen bonding
ALDEHYDES, KETONES AND CARBOXYLIC ACID

28039 Which of the following compounds will evolve hydrogen on treatment with metal

1 \({C_2}{H_5}OH\)
2 \(C{H_3}COOH\)
3 \((a)\) and \((b)\) both
4 None of these
ALDEHYDES, KETONES AND CARBOXYLIC ACID

28040 When urea is heated, it forms biurette, alkaline solution of which forms ..... with \(CuS{O_4}\) solution

1 Violet colour
2 Red colour
3 Green colour
4 Black colour
ALDEHYDES, KETONES AND CARBOXYLIC ACID

28041 Which of the following would be expected to be most highly ionised in water

1 \(C{H_2}ClC{H_2}C{H_2}COOH\)
2 \(C{H_3}CHCl.C{H_2}.COOH\)
3 \(C{H_3}.C{H_2}.CC{l_2}.COOH\)
4 \(C{H_3}.C{H_2}.CHCl.COOH\)
NEET DIGITAL LIBRARY
ALDEHYDES, KETONES AND CARBOXYLIC ACID

28038 What is the main reason for the fact that carboxylic acids can undergo ionization

1 Absence of \(\alpha - \)hydrogen
2 Resonance stabilisation of the carboxylate ion
3 High reactivity of \(\alpha - \)hydrogen
4 Hydrogen bonding
ALDEHYDES, KETONES AND CARBOXYLIC ACID

28039 Which of the following compounds will evolve hydrogen on treatment with metal

1 \({C_2}{H_5}OH\)
2 \(C{H_3}COOH\)
3 \((a)\) and \((b)\) both
4 None of these
ALDEHYDES, KETONES AND CARBOXYLIC ACID

28040 When urea is heated, it forms biurette, alkaline solution of which forms ..... with \(CuS{O_4}\) solution

1 Violet colour
2 Red colour
3 Green colour
4 Black colour
ALDEHYDES, KETONES AND CARBOXYLIC ACID

28041 Which of the following would be expected to be most highly ionised in water

1 \(C{H_2}ClC{H_2}C{H_2}COOH\)
2 \(C{H_3}CHCl.C{H_2}.COOH\)
3 \(C{H_3}.C{H_2}.CC{l_2}.COOH\)
4 \(C{H_3}.C{H_2}.CHCl.COOH\)
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