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  4. When lead nitrate is heated, it produces

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Q. When lead nitrate is heated, it produces

AMUAMU 2005

Solution:

Heating effect of nitrates
I. $Na , K , Rb , Cs$, Fr nitrate
$\xrightarrow{\Delta}$ metal nitrate $+ O _{2}$
$2 KNO _{3} \xrightarrow{\Delta} 2 KNO _{2}+2 O _{2}$
II. $ NH _{4} NO _{3} \xrightarrow{\Delta} N _{2} O +2 H _{2} O$
III. $ AgNO _{3} \xrightarrow{\Delta} Ag + NO _{2}+ O _{2}$
$Hg \left( NO _{3}\right)_{2} \xrightarrow{\Delta} Hg + NO _{2}+ O _{2}$
IV. Rest nitrate $\xrightarrow {\Delta}$ rest oxide $+ NO _{2}+ O _{2}$ $\underset{\text { lead nitrate }}{2 Pb \left( NO _{3}\right)_{2}} \xrightarrow{\Delta} \underset{\text { lead oxide }}{2 PbO }+\underset{\text { nitrogen dioxide }}{4NO_2} + O_2$