Engineer & Medical

Exam 2020 Chemistry question bank (Chemistry)

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Q1.

The reaction $Ph-CDO \xrightarrow{50\% \text{ aq. } NaOH, \text{ warm}} Ph-COO^- + \text{an alcohol}$. This alcohol is:

(A)
$Ph-CHD-OH$
(B)
$Ph-CHD-OD$
(C)
$Ph-CD_2-OH$
(D)
$Ph-CD_2-OD$
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Q2.

The reduction product of ethyl $3$-oxobutanoate by $NaBH_4$ in methanol is

(A)
Ethyl $3,3$-dihydroxybutanoate
(B)
$4$-hydroxypentan-$2$-one
(C)
Ethyl $3$-hydroxybutanoate
(D)
$4$-hydroxypentan-$2$-one
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