1.

Arrange the hydra-acids of halogens in increasing order of acidity                                             [Orissa JEE 2003]

A.                 \[HF<HCl<HBr<HI\]        
B.                 \[HI<HBr<HCl<HF\]
C.                 \[HF<HBr<HI<HCl\]        
D.                 \[HF<HI<HBr<HCl\]
Answer» B.                 \[HI<HBr<HCl<HF\]


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