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When redox reaction occurs within the reactant , in which one component acts as oxidising agent and other component acts as reducing agent, then it is named as intra-molecular redox reaction, which usually occur in thermal decomposition of ionic compounds. Which of hte following salt does not give `NO_(2)` gas on heating ?A. `Pb(NO_(3))_(2)`B. `Hg(NO_(3))_(2)`C. `KNO_(2)`D. `AgNO_(3)`

Answer» Correct Answer - C
(A) `2Pb(NO_(3))_(2)overset(Delta)rarr2PbO+4NO_(2)+O_(2)`
(B) `Hg(NO_(3))_(2)overset(Delta)rarrHg+2NO_(2)+O_(2)`
(C)`KNO_(2)overset(Delta)rarrKNO_(2)+(1)/(2)O_(2)`
(D) `2AgNO_(3)overset(Delta)rarr2Ag+2NO_(2)+O_(2)`


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