MCQ
Find out the incorrect statement.


- AIt gives total 9 allylic brominated products.
- BAll allylic brominated products are optically active.
- CSubstrate has 7 allylic hydrogens.
- DNBS gives Br constantly to reaction mixture.

Explanation:
In this reaction NBS gives Br constantly to reaction mixture which attacks at allylic position and forms bromo products.
Here, substrate has 7 allylic hydrogens and forms 9 allylic brominated products out of which this product is optically inactive.

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$\mathrm{A}(\mathrm{g}) \rightarrow 2 \mathrm{~B}(\mathrm{~g})+\mathrm{C}(\mathrm{g})$
| S.No | Time/s | Total Pressure/(atm) |
| $1.$ | $0$ | $0.1$ |
| $2.$ | $115$ | $0.28$ |
The rate constant of the reaction is_____$\times 10^{-2} \mathrm{~s}^{-1}$ (nearest integer)
