MCQ
Which of the following reactions require an oxidising agent ?
- A$CH_3 -CH= CH_2 \to CH_3 -CH_2-CH_3$
- ✓$CH_3 -CH_2OH \to CH_3CHO$
- C$CH_3 -CH_2Cl \to CH_3 -CH_3$
- D$CH_3 -CH_2OH \to CH_3 -CH_2Cl$
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For the given reaction, if the initial pressure is $450\,mm Hg$ and the pressure at time $t$ is $720\,mm\,Hg$ at a constant temperature $T$ and constant volume $V$. The fraction of $A ( g )$ decomposed under these conditions is $x \times 10^{-1}$. The value of $x$ is $......$.(nearest integer)

$Q\,\left( {1{s^2},\,\,2{s^2}\,2{p^6},\,\,3{s^1}} \right);\,\,R\,\left( {1{s^2},\,\,2{s^2}\,2{p^2}} \right)$The element that would most readily form a diatomic molecule is