MCQ
What is the ratio of $(x/y)$ in above problem ?


- A$1.5$
- ✓$2$
- C$2.5$
- D$3$

$2\, mole$ of $CH_3 MgBr$ act as a base $4\, mole$ of $CH_3MgBr$ act as a
nucleophile Reaction $(2)\, y = 3$
$3\, mole$ of $CH_3MgBr$ act as a nucleophile.
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$R, S$ and $\mu$ respectively are

Statement $(I)$ : In the Lanthanoids, the formation of $\mathrm{Ce}^{+4}$ is favoured by its noble gas configuration.
Statement $(II)$ : $\mathrm{Ce}^{+4}$ is a strong oxidant reverting to the common $+3$ state.
In the light of the above statements, choose the most appropriate answer from the options given below:
${{C}_{2}}{{H}_{5}}O{{C}_{2}}{{H}_{5}}+4[H]\xrightarrow{\text{Red P}+\text{HI}}2X+{{H}_{2}}O,$ $X$ is