Balance the following chemical equations and identify the type of chemical reaction.
(a) $Mg(s) + Cl_2 (g) → MgCl_2 (s)$
(b) $HgO(s) \xrightarrow{heat} Hg(l) + O_2 (g)$
(c) $Na(s) + S(s) \xrightarrow{fused} Na_2S(s)$
(d) $TiCl_4 (l) + Mg(s) → Ti(s) + MgCl_2 (s)$
(e) $CaO(s) + SiO_2 (s) → CaSiO_3 (s)$
(f) $H_2O_2 (l) \xrightarrow{UV} H2O(l) + O_2 (g)$

(a) $Mg(s) + Cl_2 (g) → MgCl_2 (s)$

This type of reaction is called a combination reaction or a synthesis reaction.

(b) $HgO(s) \xrightarrow{heat} Hg(l) + O_2 (g)$

This is an example of thermal decomposition reaction.

(c) $Na(s) + S(s)  \xrightarrow{fused} Na_2S(s)$

This is an example of a Combination reaction.

(d) $TiCl_4 (l) + Mg(s) → Ti(s) + MgCl_2 (s)$

This reaction falls under the category of Displacement reactions

(e) $CaO(s) + SiO_2 (s) → CaSiO_3 (s)$

This is a synthesis reaction.

(f) $H_2O_2 (l)  \xrightarrow{UV} H2O(l) + O_2 (g)$

This is a decomposition reaction.
 

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Updated on: 10-Oct-2022

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