Which pair of moecules will have permanent dipole moment for both members ?

Options

A. `NO_(2)` and `O_(3)`
B. `SiF_(4)` and `CO_(2)`
C. ` SiF_(4)` and `NO_(2)`
D. `NO_2` and `CO_(2)`

Answer

A

Explanation

` CO_2` and ` SiF_4` have ` mu =0` , i.e., non -polar molecules .