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Which one of the following molecules con...

Which one of the following molecules contains no `pi` - bond ?

A

`H_2O`

B

`SO_2`

C

`NO_2`

D

`CO_2`

Text Solution

Verified by Experts

The correct Answer is:
A
Only in `H_2O` molecule, the atoms are held together by means of single covalent bonds. Thus, there is no `pi` bond:
`H-O-H` `O=S=O` `O=N-O` `O=C=O`
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