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  • Which of the following give oxygen on heating?Option: 1 <img alt="\mathrm{Na _{2} O}" src="https://entrancecorner.oncodecogs.com/gif.latex?%5Cmathrm%

Which of the following give oxygen on heating?

Option: 1

\mathrm{Na _{2} O}


Option: 2

\mathrm{M g O}


Option: 3

\mathrm{Ag _{2} O}


Option: 4

\mathrm{A l_{2} O_{3}}


Answers (1)

As we have learnt, 

Oxides of Metals which lie low in the reactivity series decompose upon heating to liberate Oxygen gas and the metal.

\mathrm{Ag_{2}O\overset{\Delta}{\longrightarrow}2Ag+\frac{1}{2}O_{2}}

Therefore, option (3) is correct.

Posted by

Sumit Saini

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