MCQ
Total number of molecules which have cation-anion pair out of $I_2(s)$ , dry ice, $PCl_5(s)$ , $N_2O_5(s)$ , $PBr_5(g)$ is
- A$3$
- ✓$2$
- C$1$
- D$0$
✓
Answer
Correct option: B.
$2$
b
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