Which of the following do not have any tendency to act as ligands during complex formation ?
A
BiH3
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B
PH3
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C
AsH3
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D
SbH3
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Solution
The correct options are BSbH3 DBiH3 BiH3 and SbH3 do not have any tendency to act as ligands during complex formation. Among the hydrides of group 15, the basic nature decreases in the order NH3>PH3>AsH3>SbH3>BiH3
Hence, the tendency to donate lone pair of electrons and the tendency to act as ligand also decreases in the same order.