Consider the following sequence of reation
`HC -= CH underset(2 HCL)overset(1. CuCl, NH_(4) Cl)rarr A overset(Polymerization)rarr B`
The polymer `(B)` is

Consider the following sequence of reactions C_(2)H_(5)C -= CH overset(CH_(3)MgBr)rarr A underset((2)H_(2)O^(+))overset((1)HCHO) rarr B The product (B) is

Consider the following sequence of reactions C_(2)H_(5)C -= CH overset(CH_(3)MgBr)rarr A underset((2)H_(2)O^(+))overset((1)HCHO) rarr B The product (B) is

Consider the following sequence of reactions CH_(2)=CH_(2)overset(PhCO_(3)H)underset(CH_(2)Cl_(2))(rarr)Aoverset(dil.H_(2)SO_(4))(rarr)B The product (B) is

Consider the following sequence of reactions CH_(3)COOH overset(SOCI_(2))rarr A overset(NH_(2)OH)rarr B overset(HCI)rarrC The end product 'C' is .

In the following sequence of reactions CH_3Br overset(KCN)(rarr)A overset(H_2O^(+))(rarr)B overset(LiA//H_4)(rarr)

The final product in the following sequence of reaction is C_(6)H_(5)NH_(2) underset(273 - 278 K)overset(NaNO_(2) + HCl)rarr A overset(NaOH)rarr B

Consider the following reaction sequence, CH_(3)C-= CH overset(aq.H_(2)SO_(4))underset(Hg SO_(4))rarr A overset(PCl_(5))underset(Heat)rarrB The products (A) and (B) are, respectively,