Which of the nitrates on strong heating leave | vedclass

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(A) The thermal decomposition of metal nitrates depends on the position of the metal in the electrochemical series.Nitrates of metals like $Ag$ and $H

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$AgNO_3$

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(A) The thermal decomposition of metal nitrates depends on the position of the metal in the electrochemical series.Nitrates of metals like $Ag$ and $Hg$ (which are low in the electrochemical series) decompose upon strong heating to yield the metal,nitrogen dioxide $(NO_2)$,and oxygen $(O_2)$.The reaction for silver nitrate is: $2AgNO_3(s) \xrightarrow{\Delta} 2Ag(s) + 2NO_2(g) + O_2(g)$.Other nitrates like $Pb(NO_3)_2$,$Cu(NO_3)_2$,and $Al(NO_3)_3$ decompose to form their respective metal oxides instead of the pure metal.

Which of the nitrates on strong heating leaves the metal as the residue?

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