Engineer & Medical

Exam 2019 Chemistry question bank (Chemistry)

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Q1.

In the following reaction sequence,the product $D$ is:
$CH_3COOH$ $\xrightarrow{SOCl_2} A$ $\xrightarrow[AlCl_3]{C_6H_6} B$ $\xrightarrow{HCN} C$ $\xrightarrow{H_2O} D$

(A)
$2-$phenyl$-2-$hydroxypropanoic acid
(B)
$2-$phenyl$-2-$hydroxypropanenitrile
(C)
$2-$phenyl$-2-$methylpropanenitrile
(D)
$2-$phenyl$-2-$hydroxypropanoic acid
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Q2.

Alkenes $(X)$ and carbonyl compounds $(Y)$ participate in which of the following addition reactions?

(A)
$A$. $(X) -$ Electrophilic,$(Y) -$ Electrophilic
(B)
$B$. $(X) -$ Nucleophilic,$(Y) -$ Electrophilic
(C)
$C$. $(X) -$ Electrophilic,$(Y) -$ Nucleophilic
(D)
$D$. $(X) -$ Nucleophilic,$(Y) -$ Nucleophilic
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