Q. Complete the following equation with balancing :
(a) Al + HCI-
(b) Mg + HNO3-
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Answers
Answered by
17
Explanation:
2Al + 6HCl -> 2 AlCl3 + 3H2
Mg + 2HNO3 -> Mg(NO3)2 + H2
Answered by
2
The answers are :
(a) 2Al + 6HCl → 2AlCl₃ + 3H₂
(b) Mg + 2HNO₃ → Mg(NO₃)₂ + H₂
- (a) 2Al + 6HCl → 2AlCl₃ + 3H₂ and (b) Mg + 2HNO₃ → Mg(NO₃)₂ + H₂ are single displacement type of reactions.
- Single displacement reactions occur when one element in a compound is simply replaced by another element that has not been combined.
- A + BC → AC + B
- Understanding the patterns of reactivity of components of the same kind can be studied with the use of single displacement reactions.
- Table salt (Sodium chloride) is one of the products of a single displacement that we use daily.
- Sodium chloride and calcium are the byproducts of the reaction between calcium chloride and sodium.
- Some other examples are
2HCl(aq) + Zn(s) → ZnCl₂(aq) + H₂(g)
CaF₂(s) + Br₂(l) → CaBr₂(s) + F₂(g)
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