The reaction of methyl bromide with an alcoholic solution of silver cyanide predominantly gives:

End product $\mathrm{D}$ of the following reaction will be:

End product $\mathrm{A}$ will be:

Consider the following statement and mark true $\left(\mathrm{T}\right)$and false $\left(\mathrm{F}\right)$, respectively.

Statement :1. The Grignard reaction is best carried out in acetone as solvent.

Statement : 2. In the reaction of Grignard reagent $3 \& 4$ membered cyclic ethers are generally used as solvent.

Statement : 3. In case of Grignard reagent any unsubstituted alkyl, aryl, vinyl, allyl group can be taken as organic part which do not have acidic hydrogen.

Statement : 4. In Grignard reagent polar covalent bond is present between carbon and $\mathrm{Mg}$.

Among the following which one is considered as organometallic compound?

1. $\mathrm{RONa}$
2. $\mathrm{CHзCOONa}$
3. ${\mathrm{CH}}_3\mathrm{COOAg}$
4. ${\mathrm{CH}}_3\mathrm{SK}$
5. ${\mathrm{CH}}_3\mathrm{NHK}$
6. ${\left({\mathrm{CH}}_3\mathrm{COO}\right)}_2\mathrm{Pb}$
7. ${\mathrm{CH}}_3\mathrm{MgBr}$
8. ${\left({\mathrm{CH}}_3\right)}_2\mathrm{Zn}$
9. ${\left({\mathrm{CH}}_3{\mathrm{CH}}_2\right)}_4\mathrm{Pb}$
10. ${\mathrm{CH}}_3\mathrm{Na}$
11. $\mathrm{PhMgBr}$
12. ${\left({\mathrm{CH}}_3\right)}_4\mathrm{Si}$

Complete the reaction and find out $\text{'}\mathrm{R}\text{'}$ product:

The correct structure for compound $\text{'}\mathrm{B}\text{'}$ will be: