MCQ
The aldehydes which will not form Grignard product with one equivalent Grignard reagents are


- ✓$(b),\,\,(d)$
- B$(b),\,\,(c)$
- C$(b)\,,\,(c)\,,\,(d)$
- D$(c)\,\,(d)$

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$MnO _{4}^{-}+8 H ^{+}+5 e ^{-} \rightarrow Mn ^{2+}+4 H _{2} O$,
$E^{o} _{ Mn ^{2+} / MnO _{4}^{-}}=-1.510 \,V$
$\frac{1}{2} O _{2}+2 H ^{+}+2 e ^{-} \rightarrow H _{2} O$,
$E _{ O _{2} / H _{2} O }^{o}=+1.223 \,V$
Will the permanganate ion, $MnO _{4}^{-}$liberate $O _{2}$ from water in the presence of an acid ?

Final proudct of above reaction