MCQ
Which among the above compound/s does/do not form Silver mirror when treated with Tollen's reagent?


- ✓Only $(II)$
- B$(I), (III)$ and $(IV)$ only
- C$(III)$ and $(IV)$ only
- DOnly $(IV)$


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Product $(B)$ of above the reaction is
| List $-I$ (Compounds) | List $-II$ (used in) | ||
| $(A)$ | $BaSO_4 +ZnS$ | $(1)$ | Explosive |
| $(B)$ | $NI_3$ | $(2)$ | Oxidiser in rocket propellants |
| $(C)$ | $N_2O_4$ | $(3)$ | Space capsule |
| $(D)$ | $KO_2$ | $(4)$ | Pigment |