Which of the following reaction will go faster if the concentration of the nucleophile is increased?

For the following reaction, the rate is expressed as,

$\mathrm{rate}=4.7\times {10}^{-5}\left[\mathrm{RX}\right]\left[{\mathrm{OH}}^{-}\right]+0.24\times {10}^{-5}\left[\mathrm{RX}\right]$.

Which of the following is true?

What is correct about the given reaction?

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 $\mathrm{Mg}$.