(a) Write chemical test, to distinguish between `CH_(3)NH_(2)` and `(CH_(3))_(2)` NH.
(b) Fill in the blanks :
(i) `CH_(3)CH_(2)I overset(NaCN)(to) ? underset("hydrolysis")overset(OH^(-), "partial")(to) ?`
(ii) `C_(6)H_(5)N_(2)Cl overset(CuCN)(to) ? underset(H^(+))overset(H_(2)O)(to) ?`

Identify A and B in each of the following processes : (i) CH_(3)CH_(2) overset(NaCN) to A underset(Ni//H_(2)) overset("reduction") to B (ii) C_(6)H_(5)NH_(2)overset(NaNO_(2))toAunderset(OH^(-))overset(C_(6)H_(5)NH_(2)) to B

Give the structures of A, B and C in the following reactions (i) CH_(3)CH_(2)I overset(NaCN)(to) A underset("hydrolysis Partial")overset(OH^(-))(to) B overset(NaOH+Br_(2))to C (ii) C_(6)H_(5)N_(2)Cl overset(CuCN)to A overset(H_(2)O // H^(+))(to) B underset(Delta)overset(NH_(3))(to) C (iii) CH_(3)CH_(2)Br overset(KCN)to A overset(LiAlH_(4))to B underset(0^(@)C)overset(HNO_(2))to C (iv) C_(6)H_(5)NO_(2) overset(Fe//HCl)to A underset(273 K)overset(NaNO_(2)+HCl)to B underset(Delta)overset(H_(2)O // H^(+))to C (v) CH_(3)COOH underset(Delta)overset(NH_(3))to A overset(NaOBr)to B overset(NaNO_(2)//HCl)to C (vi) C_(6)H_(5)NO_(2) overset(Fe//HCl)to A underset(273 K)overset(HNO_(2))to B overset(C_(6)H_(5)OH)to C

Complete the following (i) CH_(3)-CH_(2)-overset(O)overset(||)(C)-CHBr_(2) overset((i) NaOBr)underset((ii) H^(+)) to (ii) C_(6)H_(5)-C_(6)H_(5)-CH_(3) overset(Cl_(2)//hv)to (A) overset(H_(2)O // OH^(+)) to (B)

CH_(3)-(CH_(2))_(3)-OH overset(CH_(3)-underset(O)underset(||)overset(O)overset(||)(S)-Cl)underset(ET_(3)N)(rarr)(A) overset(14)overset(KCN)(rarr)(B) overset(H_(3)O^(o+))(rarr)(C) Product (C) is :