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Select corrcet orders for corresponding ...

Select corrcet orders for corresponding property as indicated in bracket for the following .

A

`NH_(3) gt BiH_(3) gt SbH_(3) gt AsH_(3) gt PH_(3)` (Boiling point)

B

`H_(2)O gtH_(2) Te gt H_(2) Se gt H_S(2)` (Boiling point)

C

`NH_(3) gt PH_(3) gt AsH_(3) gt SbH_(3)` (Basic character)

D

`H_(2)O lt H_(2)S lt H_(2) Se lt H_(2)` Te (Acidic character)

Text Solution

Verified by Experts

The correct Answer is:
B, C, D
(a) is wrong and the correct order is
`BiH gt SbH_(3) gt AsH_(3) gt PH_(3)`
(b) is correct
(c ) is correct Basic character of hydrides of group `15` decreases down the group Smaller the size higher the `lp e^(-') s` density and more basic
(d) is correct Larger the size of central atom weaker the `M-H` bond and more acidic .
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