After completion of the reactions $(I)$ and $(II)$,the organic compound$(s)$ in the reaction mixtures is (are):

Which of the following reactions is used to detect the presence of a carbonyl group?

Identify $(Z)$ in the following reaction:
$CH_3COOH$ $\xrightarrow{LiAlH_4} (X)$ $\xrightarrow{573 \ K, \ Cu} (Y)$ $\xrightarrow{dil.NaOH} (Z)$

What is the correct order of reactivity of the following compounds towards a Grignard reagent?
$(I)$ $CH_3CHO$
$(II)$ $HCHO$
$(III)$ $CH_3COC_6H_5$

In the following reaction,the major product $(H)$ is

An alkene $(A)$ $C_{16}H_{16}$ on ozonolysis gives only one product $(B)$ $C_8H_8O$. $(B)$ can also be obtained by the hydrolysis of the product obtained from the reaction between cyanobenzene and $CH_3MgBr$. $(A)$ shows geometrical isomerism and decolourises $Br_2$ water. $(B)$ on treatment with $SeO_2$ produces $(C)$. Which statement is not correct about $(B)$?