Which of the following does NOT give oxygen u | vedclass

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Question

(D) $1$. Lead nitrate $(2Pb(NO_3)_2 \xrightarrow{\Delta} 2PbO + 4NO_2 + O_2)$ releases oxygen on heating.$2$. Potassium chlorate $(2KClO_3 \xrightarro

Vedclass · Accepted Answer

Manganese dioxide

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(D) $1$. Lead nitrate $(2Pb(NO_3)_2 \xrightarrow{\Delta} 2PbO + 4NO_2 + O_2)$ releases oxygen on heating.$2$. Potassium chlorate $(2KClO_3 \xrightarrow{\Delta} 2KCl + 3O_2)$ releases oxygen on heating.$3$. Mercuric oxide $(2HgO \xrightarrow{\Delta} 2Hg + O_2)$ releases oxygen on heating.$4$. Manganese dioxide $(MnO_2)$ is a stable oxide and does not decompose to release oxygen upon simple heating; it is often used as a catalyst for the decomposition of other substances.

Which of the following does $NOT$ give oxygen upon heating?

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