MCQ
Cyclohexanol and phenol can be distinguish by
- A$Br_2/H_2O$
- BNeutral $FeCl_3$
- C$Ph\mathop {{N_2}}\limits^ \oplus C{l^\Theta }$
- ✓All of these
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$(I)$ $CrO_4^{2-}$
$(II)$ $MnO_4^-$
$(III)$ $Cr_2O_7^{2-}$ ?

$A^+/A = \,-\,2.93\, Volt$, $B^+/B = 0.80\,V$
$C^{+2}/C = \,-\,2.37\, Volt$, $D^{+3}/D = \,-\,0.74\,V$
Increasing order of reducing power of these metals
