MCQ
Ammonia on reaction with hypochlorite anion, can form
- A$NO$
- B$N{H_4}Cl$
- C${N_2}{H_4}$
- ✓Both (b) and (c)
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is an example of which of the following types of reactions

| Aspects | Metal |
| $(a)$ The metal which reveals a maximum number of oxidation states | $(i)$ Scandium |
| $(b)$ The metal although placed in $3 d$ block is considered not as a transition element | $(ii)$ Copper |
| $(c)$ The metal which does not exhibit variable oxidation states | $(iii)$ Manganese |
| $(d)$ The metal which in $+1$ oxidation state in aqueous solution undergoes disproportionation | $(iv)$ Zinc |
Select the correct option