Alkyl cyanides,when reacted with a Grignard reagent followed by hydrolysis,yield which of the following products?

Benzonitrile on reduction with stannous chloride $(SnCl_2)$ in the presence of hydrochloric acid $(HCl)$ followed by acid hydrolysis forms:

Reaction: $CH_3OH + O_2 \xrightarrow{600\,^oC, \text{Ag}} \text{Product}$. The product is:

Benzaldehyde can be formed by :-

In column - $I$ reaction name,in column - $II$ reactant and in column - $III$ product are given,match column - $I$ with column - $II$ and column - $III$ with the correct option.

Column - $I$ and $II$	Column - $III$
$(A).$ Rosenmund reaction - $(i).$ $H_2, Pd, BaSO_4$	$(p).$ Benzene to benzaldehyde
$(B).$ Stephen reaction - $(iii).$ $SnCl_2, HCl$	$(q).$ Benzoyl chloride to benzaldehyde
$(C).$ Etard reaction - $(iv).$ $CrO_2Cl_2, CS_2$	$(r).$ Toluene to chromium complex
$(D).$ Gatterman-Koch reaction - $(ii).$ $CO, HCl$ anhydrous $AlCl_3/CuCl$	$(s).$ $RCN \to RCHO$

Consider the following statements. Which of the following reactions can be used to prepare acetophenone?
$I.$ Oxidation of $1$-phenylethanol.
$II.$ Reaction of benzaldehyde with methyl magnesium bromide.
$III.$ Friedel-Crafts acylation of benzene with acetyl chloride.
$IV.$ Distillation of calcium benzoate.
Which of these statements are correct?