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A compound X gives cyanohydrin with HCN ...

A compound X gives cyanohydrin with HCN and the cyanohydrin on hydrolysis yields lactic acid. The compound X is

A

Formaldehyde

B

Ethyl cyanide

C

Ethyl alcohol

D

Acetaldehyde.

Text Solution

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The correct Answer is:
D
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MODERN PUBLICATION-ALDEHYDES , KETONES AND CARBOXYLIC ACIDS-Multiple Choice Questions ( Level - II )
  1. Which of the following will not give haloform reaction ?

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  2. In the reaction , CH(3)-underset(CH(3))underset(|)(C)=Ounderset(-H(2)O...

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  3. A compound X gives cyanohydrin with HCN and the cyanohydrin on hydroly...

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  4. Aldehydes give silver mirror test with ammoniacal silver nitrate solut...

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  5. Paraldehyde is a :

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  6. Benzaldehyde reacts with aniline to give :

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  7. Methyl alcohol and air when passed through a heated tube containing a ...

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  8. Acetone on reduction with Zn(Hg) , HCl gives :

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  9. In the reaction , 2CH(3)CHOoverset(dil . NaOH)toXunderset("Heat")overs...

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  10. The reaction , C(6)H(5)CHO+CH(3)CHOunderset("Heat")overset(dil . NaOH)...

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  11. The reaction , C(6)H(5)CHO+(CH(3)CO)(2)Ounderset(180^(@)C)overset(CH(3...

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  12. Which of the following gives a pink colouration with Schiff s reagent ...

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  13. Formaldehyde reacts with ammonia to give white precipitate of hexameth...

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  14. When propyne is treated with aqueous H(2)SO(4) in presence of HgSO(4),...

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  15. The Grignard reagent rqquired to prepare 2- butanol from acetaldehyde ...

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  16. Acetone is mixed with bleaching powder to give :

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  17. In the Wolff Kishner reduction aldehydes and ketones are first convert...

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  18. HCHO and CH(3)CHO can be distinguished by :

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  19. Oximes are formed by the reaction of aldehydes and ketones with :

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  20. Treatment of propionaldehyde with dil , NaOH solution gives :

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