MCQ
Bond angle in $P_4$ molecule is:
- ✓$60^\circ $
- B$90^\circ $
- C$120^\circ $
- D$109^\circ 28\ ′$

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| $[HI]$, $M$ | rate, $Ms^{-1}$ |
| $0.0500$ | $8.80 \times {10^{ - 10}}$ |
| $0.1000$ | $3.52 \times {10^{ - 9}}$ |
| $0.1500$ | $7.92 \times {10^{ - 9}}$ |