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  • On addition of a small amount of \text {KMnO}_{4} to concentrated \text {H}_{2}\text {SO}_{4}, a green oily compound is obtained which is highly explosive. Identify the compound from the following. (i) {Mn}_{2} {O}_{7}

On addition of a small amount of \text {KMnO}_{4} to concentrated \text {H}_{2}\text {SO}_{4}, a green oily compound is obtained which is highly explosive. Identify the compound from the following.

(i) \text {Mn}_{2}\text {O}_{7}

(ii) \text {MnO}_{2}

(iii) \text {MnSO}_{4}

(iv) \text {Mn}_{2}\text {O}_{3}

Answers (1)

The answer is the option (i). \text {2KMnO}_{4}+\text {2H}_{2}\text {SO}_{4}\text {(Conc)}\rightarrow \text {Mn}_{2}\text {O}_{7}+\text {2KHSO}_{4}+\text {H}_{2}\text {O}

Thus, we get \text {Mn}_{2}\text {O}_{7} which is highly explosive in nature.

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