Short Note
Classify the following reactions as combination . Also balance the equations.
Also balance the equations.
(a) \[\ce{CaCO3(s)->[heat]CaO(s)+CO2(g)}\]
(b) Zn(s) +`"H"_2"SO"_4` `→` `"ZnSO"_4` (S) + `"H"_2` (g)
(c) `"AgNO"_3` (aq) + NaCI (aq) `→` Ag CI (S) + `"NaNO"_3`
(d) `"NH"_3` (g) + HCI (g) `→` `"NH"_4` CI (S)
(e) `"CuSO"_4` (aq) + `"H"_2"S"` (g) `→` CuS (S) + `"H"_2"SO"_4` (I)
(f) Zn (S) + `"CuSO"_4` (aq) `→` `"ZnSO"_4` N (aq) + Cu (s)
(g)\[\ce{Ca(s)O2(g)->[heat]CaO(s)}\]
(H) NaOH + HCI `→` NaCI + `"H"_2"O"`
(I) KOH + `"H"_2"SO"_4` `→` `"K"_2"SO"_4` + `"H"_2"O"`
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Solution
1. Combination reactions .
(d) `"NH"_3` (g) + HCI (g) `→` `"NH"_4` CI (S)
(g) \[\ce{Ca(s)O2(g)->[heat]CaO(s)}\]
Concept: Types of Chemical Change or Chemical Reaction - Direct Combination (or Synthesis) Reaction
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