Identify the compounds A, B and C:
` H-C-=C -H underset("dil" .H_2 SO_4 + Hg SO_4)overset(H_2 O)to A underset([Ni])overset(H_2)to B underset("cons "H_2 SO_4) overset(140^@ C) to C `

Identify the compounds A, B and C: C_6 H_5 COOH overset(PCl_5) to A overset(H_2 - pd //BaSO_4) to B underset("Distilled") overset(KCN alc")to C

Identify the compounds A, B and C : (i) C_(6)H_(5)COOH overset(PCl_(5)) to A overset(H_(2)-Pd//BaSO_(4)) to B overset("KCN alc")underset("distil") to C (ii) H-C -= C - H overset(H_(2)O)underset(" dil "H_(2)SO_(4) + HgSO_(4)) to A underset("Ni")overset(H_(2)) to B overset(140^(@) C)underset("conc" H_(2)SO_(4)) to C

Identify the compounds A, B, C and D in the given reaction : HC-=CH underset(Hg^(2+)//H_(2)SO_(4))overset(H_(2)O)to A underset(K_(2)Cr_(2)O_(7)+H_(2)SO_(4)) overset([O])toB overset(Ca(OH)_(2))toC underset("dry distillation") overset("Heat")toD

A underset( 0^@C ) overset( NaNO_2 //HCI ) to B underset( 373 K ) overset( H_2 O) to C underset( HBF_4 ) overset(CH_2 N_2)to Anisole [A] is :

Aniline underset( 50 ^@ C ) overset( H_2 O_2 ) to A ,[A] is :

In the series, C_2H_2 underset(2.0 eq.)overset(NaNH_2)to X underset(2.0 eq.)overset(CH_3 I)to Y underset(H_2 SO_4 ,H_2O )overset(Hg SO_4)to Z the compound Z is :

CH-=CHunderset(HgSO_(4)//H_(2)SO_(4))overset(H_(2)O)to[A]overset(LiAlH_(4)//H)to[B]underset(443 K)overset(H_(2)SO_(4)(conc.))to[C]

H_(3)C-C-=CH overset(H_(2)O,H_(4)SO_(4))underset(HgSO_(4))to underset(A)("intermediate") to underset(B)("product")

CaC_2 overset(H_2O)to AB overset(Hg^(+2)//H_2SO_4)to What is B ?