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7.36     Arrange the following in the order of property indicated for each set:

            (iii)  NH_{3}, PH_{3},AsH_{3} , SbH_{3}BiH_{3}  – increasing base strength.

 

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As we move from nitrogen to bismuth, the size of the atom increases and the electron density on the atom decreases. hence, the basic strength will decrease.

BiH_3<SbH_3<AsH_3<PH_3<NH_3

Posted by

Pankaj Sanodiya

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