1.

Complete and balance the following equations : (a) Zn + Fe_(2)(SO_(4))_(3) rarr ? + ? (b) CuSO_(4) overset("heat")rarr ? + ? (c) AI + conc. H_(2)SO_(4) rarr ? + ? + ? (d) AI_(2)O_(3) + C + N_(2) overset("heat")rarr ? + ? (e) Pb + O_(2) + H_(2)O rarr ?

Answer»

Solution :(a) `ZN + Fe_(2)(SO_(4))_(3) RARR ZnSO_(4) + 2FeSO_(4)`
(B) `CuSO_(4)overset(Delta)rarr CUO + SO_(3)`
(c) `2AI + conc. 6H_(2)SO_(4) rarr AI_(2)(SO_(4))_(3) + 3SO_(2) + 6H_(2)O`
(d) `AI_(2)O_(3) + 3C + N_(2) overset(Delta)rarr 2AIN + 3CO`
(e) `2Pb + O_(2) + 2H_(2)O rarr 2Pb (OH)_(2)`


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