Which statements among the following is true ?
Which statements among the following is true ?
A. `SO_3` molecule contain sp `pi`-d `pi` bond
B. `SO_2` molecule does not contain `pi` bond
C. `BH_3` and `PH_3`: do not exist
D. HCl dissolve in water because of H-bonding
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Correct Answer - A
`SO_3` molecule contain `dpi-ppi` bond between S and O atoms in addition to sigma bonds.
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