The oxidation number of $Mn$ in the product of alkaline oxidative fusion of $MnO_2$ is
- A$6$
- B$5$
- C$4$
- D$2$
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Match List-$I$ with List-$II$:
List-$I$ (Transition metal/Compound/complex) List-$II$ (Catalytic Role) $A$. $V_2O_5$ $I$. Preparation of ammonia from $N_2/H_2$ mixture $B$. $Fe$ $II$. Polymerisation of alkynes $C$. $PdCl_2$ $III$. Preparation of $H_2SO_4$ from $SO_2$ $D$. $Ni$ complex $IV$. Oxidation of ethyne to ethanal
| List-$I$ (Transition metal/Compound/complex) | List-$II$ (Catalytic Role) |
| $A$. $V_2O_5$ | $I$. Preparation of ammonia from $N_2/H_2$ mixture |
| $B$. $Fe$ | $II$. Polymerisation of alkynes |
| $C$. $PdCl_2$ | $III$. Preparation of $H_2SO_4$ from $SO_2$ |
| $D$. $Ni$ complex | $IV$. Oxidation of ethyne to ethanal |
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View SolutionAssertion: $KMnO_4$ is purple in colour due to charge transfer.
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Reason: There is no electron present in $d$-orbitals of Manganese in $MnO_4^-$.
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