MCQ
Which molecule has the largest dipole moment
- A$HCl$
- B$HI$
- C$HBr$
- ✓$HF$
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$ 3 \mathrm{ROH}+\mathrm{PCl}_3 \rightarrow 3 \mathrm{RCl}+\mathrm{A} $
$ \mathrm{ROH}+\mathrm{PCl}_5 \rightarrow \mathrm{RCl}+\mathrm{HCl}+\mathrm{B}$
| $t/s$ | $0$ | $30$ | $60$ | $90$ |
| $ Ester/$ $mol\,L^{-1}$ | $0.55$ | $0.31$ | $0.17$ | $0.085$ |
What will be the average rate of reaction between the time interval $30$ to $60\, seconds$ ?
Statement $II :$ there is no change when undergoing boiling
Statement $III :$ reverse of $I$ and $II$
Statement $IV :$ dimer formation in freezing and boiling state