MCQ
${C_6}{H_5}CONHC{H_3}$ can be converted into ${C_6}{H_5}C{H_2}NHC{H_3}$ by
- A$NaB{H_4}$
- B${H_2} - Pd/C$
- C$LiAl{H_4}$
- ✓$Zn - Hg/HCl$
This reaction is known as Clemmenson reduction.
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$I :$ glycerol $II : $ glycol
$III : 1 , 3-$ propenediol $IV :$ methoxy $ -2- $ propanol
| $I$ | $II$ | |
| $[Cr(H_2O)_6]^{+2}$ | $[Cr(H_2O)_6]^{+3}$ | $(a)$ |
| $[Fe(H_2O)_6]^{+3}$ | $[Fe(CN)_6]^{-3}$ | $(b)$ |
| $[Fe(CN)_6]^{+3}$ | $[Ru(CN)_6]^{-3}$ | $(c)$ |
| $[NiF_6]^{-4}$ | $[NiF_6]^{-2}$ | $(d)$ |