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The cyanohydrin of a carbonyl compound o...

The cyanohydrin of a carbonyl compound on hydyrolysis gives lactic acid. The carbonyl compound is

A

HCHO

B

`CH_(3)CHO`

C

`CH_3COCH_(3)`

D

`CH_(3)COCH_(2)CH_(3)`

Text Solution

Verified by Experts

The correct Answer is:
B
`CH_(3)-underset(O)underset(||)(C)-H+HCN to CH_(3)-underset(OH)underset(|)overset(CN)overset(|)(C)-H overset(H_(2)O)toCH_(3)-underset(OH)underset(|)(C)H-COOH`
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RESONANCE-CARBONYL COMPOUNDS (ALDEHYDES & KETONES ) & CARBOXYLIC ACID -Part-I
  1. Which of the following does not give haloform reaction:

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  2. Synthesis of an ester involves the reaction of alcohols with

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  3. Phenyl magnesium bromide reacting with t-butyl alcohol gives

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  4. Products A of the above reactions is

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  5. In the reaction sequence CH(3)-overset(O)overset(||)(C)-H-underset(...

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  6. on reductive ozonolysis yeilds

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  7. The cyanohydrin of a carbonyl compound on hydyrolysis gives lactic aci...

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  8. Which of the following will not undergo aldol condensation reaction ?

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  9. PhCHO +(CH(3)CO)(2)O overset((1)CH(3)COONa)underset((2)"hydrolysis", D...

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  10. What will be the product of the following reaction Ph-underset(Me)un...

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  11. In the following conversion Which of the following reagents is su...

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  12. The major products formed in the reaction C(6)H(5)CHO+CH(3)NO(2) ove...

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  13. For the following acids the rate of decarboxylation on heating would b...

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  14. R-overset(O)overset(||)(C)-Cl overset(NH(3))toNH(4)Cl+(X) overset(P(4)...

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  16. Starting from propanoic acid, the following reactions were carried out...

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  17. Which of the following acids remains unaffected on heating

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  18. m-chlorobenzaldehyde on reaction with conc. KOH at room temperature gi...

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  19. The given reaction is known as :

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  20. In which of the following reactions benzaldehyde is the final major pr...

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