Question

Balance the following chemical equations and identify the type of
chemical reaction.
(a) Mg(s) + Cl2(g) ⎯→ MgCl2(s)
(b) HgO(s) ⎯⎯⎯⎯ Heat → Hg(l) + O2(g)
(c) Na(s) + S(s) ⎯⎯⎯⎯→ Fuse Na2S(s)
(d) TiCl4
(l) + Mg(s) ⎯→ Ti(s) + MgCl2
(s)
(e) CaO(s) + SiO2(s) ⎯→ CaSiO3(s)
(f) H2
O2
(l) ⎯⎯⎯⎯ U V → H2
O(l) + O2
(g)

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Answer 1

Answer:(a) Mg(s) + Cl2(g) → MgCl2(s)

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

(b) 2HgOis) — (Heat) → 2 Hg(I) + O2(g)

This is an example of thermal decomposition reaction.

(c) 2Na(s) + S(s) — (Fuse) → Na2S(s)

This is an example of a Combination reaction.

(d) TiCI4 (1) + Mg(s) → Ti(s) + 2MgCl2 (s)

This reaction falls under the category of Displacement reactions

(e) Cao(s) + SIO2(s) + CaSIO3(s)

This is a synthesis reaction.

(f) 2H2O2 (I) — UV → 2H2O(I) + O2 (g)

This is a decomposition reaction.

Explanation: