Engineer & Medical

Exam 2017 Chemistry question bank (Chemistry)

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Q1.

Reduction of the lactol $S$ with sodium borohydride $(NaBH_4)$ gives:

figure

(A)
Tetrahydrofuran
(B)
Butyrolactone
(C)
Pentane$-1,5-$diol
(D)
Butan$-1-$ol
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Q2.

The compound formed when propanone is made to react with ethyl magnesium bromide followed by hydrolysis is

(A)
$2-$Methylbutan$-2-$ol
(B)
Pentan$-2-$ol
(C)
$2-$Methylpropan$-2-$ol
(D)
$3-$Methylbutan$-2-$ol
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