12. ALDEHYDES KETONES AND CARBOXYLIC ACIDS[KARNATAKA CET EXCLUSIVE]
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CHEMISTRY(KCET)

285574 Ethanoic acid undergoes Hell-Volhard-Zelinsky reaction but methanoic acid does not because of

1 absence of \(\alpha-\mathrm{H}\) atom in ethanoic acid
2 higher acidic strength of ethanoic acid than methanoic acid
3 presence of \(\alpha-\mathrm{H}\) atom in methanoic acid
4 presence of \(\alpha-\mathrm{H}\) atom in ethanoic acid.
Karnataka CET 2022
CHEMISTRY(KCET)

285575 The general name of the compound formed by the reaction between aldehyde and alcohol is

1 glycol
2 acetate
3 ester
4 acetal.
Karnataka CET 2022
CHEMISTRY(KCET)

285576 Reaction by which benzaldehyde cannot be prepared is

1 Toluene\(\xrightarrow[\text { (ii) } \mathrm{H}_3 \mathrm{O}^{+}]{\text {(i) } \mathrm{CrO}_2 \mathrm{Cl}_2 \mathrm{inCS}_2}\)
2 Benzoyl chloride\(+\mathrm{H}_2 \xrightarrow[\Delta]{\mathrm{Pd}-\mathrm{BaSO}_4}\)
3 Benzene\(+\mathrm{CO}+\mathrm{HCl} \xrightarrow{\text { anhydrous } \mathrm{AlCl}_3}\)
4 Benzoic acid\(\xrightarrow{\mathrm{Zn}-\mathrm{Hg} \text { and conc. } \mathrm{HCl}}\)
Karnataka CET 2022
CHEMISTRY(KCET)

285577 The test to differentiate between pentan-2-one and pentan-3-one is

1 Fehling's test
2 iod for 3 .est
3 Baeyer's test
4 Bened. is test.
Karnataka CET 2022
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CHEMISTRY(KCET)

285574 Ethanoic acid undergoes Hell-Volhard-Zelinsky reaction but methanoic acid does not because of

1 absence of \(\alpha-\mathrm{H}\) atom in ethanoic acid
2 higher acidic strength of ethanoic acid than methanoic acid
3 presence of \(\alpha-\mathrm{H}\) atom in methanoic acid
4 presence of \(\alpha-\mathrm{H}\) atom in ethanoic acid.
Karnataka CET 2022
CHEMISTRY(KCET)

285575 The general name of the compound formed by the reaction between aldehyde and alcohol is

1 glycol
2 acetate
3 ester
4 acetal.
Karnataka CET 2022
CHEMISTRY(KCET)

285576 Reaction by which benzaldehyde cannot be prepared is

1 Toluene\(\xrightarrow[\text { (ii) } \mathrm{H}_3 \mathrm{O}^{+}]{\text {(i) } \mathrm{CrO}_2 \mathrm{Cl}_2 \mathrm{inCS}_2}\)
2 Benzoyl chloride\(+\mathrm{H}_2 \xrightarrow[\Delta]{\mathrm{Pd}-\mathrm{BaSO}_4}\)
3 Benzene\(+\mathrm{CO}+\mathrm{HCl} \xrightarrow{\text { anhydrous } \mathrm{AlCl}_3}\)
4 Benzoic acid\(\xrightarrow{\mathrm{Zn}-\mathrm{Hg} \text { and conc. } \mathrm{HCl}}\)
Karnataka CET 2022
CHEMISTRY(KCET)

285577 The test to differentiate between pentan-2-one and pentan-3-one is

1 Fehling's test
2 iod for 3 .est
3 Baeyer's test
4 Bened. is test.
Karnataka CET 2022
NEET DIGITAL LIBRARY
CHEMISTRY(KCET)

285574 Ethanoic acid undergoes Hell-Volhard-Zelinsky reaction but methanoic acid does not because of

1 absence of \(\alpha-\mathrm{H}\) atom in ethanoic acid
2 higher acidic strength of ethanoic acid than methanoic acid
3 presence of \(\alpha-\mathrm{H}\) atom in methanoic acid
4 presence of \(\alpha-\mathrm{H}\) atom in ethanoic acid.
Karnataka CET 2022
CHEMISTRY(KCET)

285575 The general name of the compound formed by the reaction between aldehyde and alcohol is

1 glycol
2 acetate
3 ester
4 acetal.
Karnataka CET 2022
CHEMISTRY(KCET)

285576 Reaction by which benzaldehyde cannot be prepared is

1 Toluene\(\xrightarrow[\text { (ii) } \mathrm{H}_3 \mathrm{O}^{+}]{\text {(i) } \mathrm{CrO}_2 \mathrm{Cl}_2 \mathrm{inCS}_2}\)
2 Benzoyl chloride\(+\mathrm{H}_2 \xrightarrow[\Delta]{\mathrm{Pd}-\mathrm{BaSO}_4}\)
3 Benzene\(+\mathrm{CO}+\mathrm{HCl} \xrightarrow{\text { anhydrous } \mathrm{AlCl}_3}\)
4 Benzoic acid\(\xrightarrow{\mathrm{Zn}-\mathrm{Hg} \text { and conc. } \mathrm{HCl}}\)
Karnataka CET 2022
CHEMISTRY(KCET)

285577 The test to differentiate between pentan-2-one and pentan-3-one is

1 Fehling's test
2 iod for 3 .est
3 Baeyer's test
4 Bened. is test.
Karnataka CET 2022
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CHEMISTRY(KCET)

285574 Ethanoic acid undergoes Hell-Volhard-Zelinsky reaction but methanoic acid does not because of

1 absence of \(\alpha-\mathrm{H}\) atom in ethanoic acid
2 higher acidic strength of ethanoic acid than methanoic acid
3 presence of \(\alpha-\mathrm{H}\) atom in methanoic acid
4 presence of \(\alpha-\mathrm{H}\) atom in ethanoic acid.
Karnataka CET 2022
CHEMISTRY(KCET)

285575 The general name of the compound formed by the reaction between aldehyde and alcohol is

1 glycol
2 acetate
3 ester
4 acetal.
Karnataka CET 2022
CHEMISTRY(KCET)

285576 Reaction by which benzaldehyde cannot be prepared is

1 Toluene\(\xrightarrow[\text { (ii) } \mathrm{H}_3 \mathrm{O}^{+}]{\text {(i) } \mathrm{CrO}_2 \mathrm{Cl}_2 \mathrm{inCS}_2}\)
2 Benzoyl chloride\(+\mathrm{H}_2 \xrightarrow[\Delta]{\mathrm{Pd}-\mathrm{BaSO}_4}\)
3 Benzene\(+\mathrm{CO}+\mathrm{HCl} \xrightarrow{\text { anhydrous } \mathrm{AlCl}_3}\)
4 Benzoic acid\(\xrightarrow{\mathrm{Zn}-\mathrm{Hg} \text { and conc. } \mathrm{HCl}}\)
Karnataka CET 2022
CHEMISTRY(KCET)

285577 The test to differentiate between pentan-2-one and pentan-3-one is

1 Fehling's test
2 iod for 3 .est
3 Baeyer's test
4 Bened. is test.
Karnataka CET 2022
For More Updates join with Us