1.

Of the following hydrides which has the lowest boiling point [CBSE PMT 1987]

A.                 \[N{{H}_{3}}\]  
B.                 \[P{{H}_{3}}\]
C.                 \[Sb{{H}_{3}}\] 
D.                 \[As{{H}_{3}}\]
Answer» C.                 \[Sb{{H}_{3}}\] 


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