Class 12

p-Block Elements (Class 12) question bank (Chemistry)

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Q1.

With reference to protonic acids,which of the following statements is correct regarding the basicity of $PH_3$ and $NH_3$?

(A)
$PH_3$ is more basic than $NH_3$
(B)
$PH_3$ is less basic than $NH_3$
(C)
$PH_3$ is equally basic as $NH_3$
(D)
$PH_3$ is amphoteric while $NH_3$ is basic
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Q2.

The strongest acid among the given options is:

(A)
$H_3AsO_4$
(B)
$H_3AsO_3$
(C)
$H_3PO_3$
(D)
$H_3PO_4$
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