Write equations for the reaction of $\mathrm{RCH}_2 \mathrm{X}$ with
(a) : $\mathrm{I}^{-}$
(c) : $\mathrm{O}^{\prime}{ }^{\prime-}$
(d) $\mathrm{R}^{\prime}:-$
(e)
<smiles>[R][C-]=[O+]</smiles>
(f) $\mathrm{H}_3 \mathrm{~N}$ :
(g) $: \mathrm{CN}^{-}$
and classify the functional group in each product.
(a) $:_{\mathrm{I}}^{-}+\mathrm{RCH}_2 \mathrm{X} \longrightarrow \mathrm{RCH}_2 \mathrm{I}+: \ddot{\mathrm{X}}^{-} \quad$ Iodide
(c) $-: \mathrm{OR}^{\prime}+\mathrm{RCH}_2 \mathrm{X} \longrightarrow \mathrm{RCH}_2 \mathrm{OR}^{\prime}+: \ddot{\mathrm{X}}^{-} \quad$ Ether
(d) ${ }^{-}: \mathrm{R}^{\prime}+\mathrm{RCH}_2 \mathrm{X} \longrightarrow \mathrm{RCH}_2 \mathrm{R}^{\prime}+: \ddot{\mathrm{X}}^{-} \quad$ Alkane (coupling)
(e) $-: \mathrm{OOOCR}^{\prime}+\mathrm{RCH}_2 \mathrm{X} \longrightarrow \mathrm{RCH}_2 \mathrm{OOCR}^{\prime}+: \ddot{\mathrm{X}}_{-}^{-}$Ester
(f) $: \mathrm{NH}_3+\mathrm{RCH}_2 \mathrm{X} \longrightarrow \mathrm{RCH}_2 \mathrm{NH}_3^{+}+: \ddot{X}^{-} \quad$ Ammonium salt
(g) ${ }^{-} \mathrm{CN}+\mathrm{RCH}_2 \mathrm{X} \longrightarrow \mathrm{RCH}_2 \mathrm{CN}+: \ddot{\mathrm{X}}^{-} \quad$ Nitrile (or Cyanide)