MCQ
${\text{PhCH = O}}\xrightarrow{{\mathop O\limits^ \ominus H}}{\text{PhC}}{{\text{H}}_2}{\text{OH + PhCO}}_2^ - $
This reaction is example of -
- ARedox reaction
- BDisproportionation reaction
- ✓both $(A)$ $\&$ $(B)$
- DNone of these
This reaction is example of -
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$(1)$ $Fe^{3+}$ gives brown colour with potassium ferricyanide
$(2)$ $Fe^{2+}$ gives blue colour with potassium ferricyanide
$(3)$ $Fe^{3+}$ gives red colour with potassium thiocyanate
$(4)$ $Fe^{2+}$ gives brown colour with ammonium thiocyanate