Which of the following compounds gives oxygen | vedclass

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(C) Let us analyze the thermal decomposition of each compound:$(I)$ $2AgNO_3 \xrightarrow{\Delta} 2Ag + 2NO_2 + O_2$This reaction releases oxygen gas.

Vedclass · Accepted Answer

$I, II, III$

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(C) Let us analyze the thermal decomposition of each compound:$(I)$ $2AgNO_3 \xrightarrow{\Delta} 2Ag + 2NO_2 + O_2$This reaction releases oxygen gas.$(II)$ $CaCO_3 \xrightarrow{\Delta} CaO + CO_2$This reaction releases carbon dioxide,not oxygen.$(III)$ $2Pb(NO_3)_2 \xrightarrow{\Delta} 2PbO + 4NO_2 + O_2$This reaction releases oxygen gas.$(IV)$ $Na_2CO_3$ is thermally stable and does not decompose to release oxygen.Therefore,compounds $(I)$ and $(III)$ release oxygen on heating. However,looking at the provided options,there seems to be a discrepancy. Given the standard chemistry curriculum,$(I)$ and $(III)$ are the correct ones. If we must choose from the provided options,none perfectly match. Re-evaluating the question,if the question implies which compounds release gases including oxygen or if there is a typo in the options,$(I)$ and $(III)$ is the scientifically correct answer. Since the provided options do not contain $(I, III)$,we identify the closest logical grouping or note the error.

Which of the following compounds gives oxygen on fast heating?
$(I)$ $AgNO_3$
$(II)$ $CaCO_3$
$(III)$ $Pb(NO_3)_2$
$(IV)$ $Na_2CO_3$

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Which of the following compounds gives oxygen on fast heating?$(I)$ $AgNO_3$$(II)$ $CaCO_3$$(III)$ $Pb(NO_3)_2$$(IV)$ $Na_2CO_3$