Question

A metal which has an electronic configuration 2,8,18,2 reacts with hydrochloric acid and

liberate a gaseous substance which has electronic configuration 1

a) Name the metal and gas

b) Name the reaction

c) Write the equation of the reactions

d) Explain the reaction briefly​

Answer 1

Answer:

1.the metal is zinc and gas is H2

2. displacement reaction

3.zn+2hcl gives zncl2 +h2

4.since zinc lies above hydrogen in reactivity series ,it can easily displace hydrogen from hcl to produce hydrogen gas which gives a pop sound in flame.

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