Engineer & Medical

Exam 2004 Chemistry question bank (Chemistry)

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Q1.

The number of oxygen atoms bonded to one phosphorous atom in $P_4O_6$ is

(A)
$4$
(B)
$3$
(C)
$5$
(D)
$6$
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Q2.

Which of the following reagents can form a hydrazone with alkanone?

(A)
$NH_2OH \cdot HCl$
(B)
$PhNHNH_2$
(C)
$NH_2NHCONH_2$
(D)
$HCN$
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