Which of the following catalysts is used in the Rosenmund reaction?

What is the name of the given reaction?
$C_6H_6 + CO + HCl \xrightarrow{Anhyd. AlCl_3} C_6H_5CHO$

What are $X$ and $Y$ in the following reaction sequence?
$C_5H_{12}O$ $\xrightarrow[573 \ K]{Cu} C_5H_{10}$ $\xrightarrow[\text{(ii) } Zn/H_2O]{\text{(i) } O_3} X + Y$

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 $AlCl_3/CuCl$	$(s).$ $RCN \to RCHO$

What is the major product obtained when calcium acetate and calcium formate are heated together?

Which of the following conditions or reaction sequences will $NOT$ give acetophenone as the major product?