2) The electronic configuration of metal ‘A’ is 2,8,1 and that of metal ‘B’ is 2,8,2. Which of the two metals is more
reactive? Write their reaction with dilute hydrochloric acid.
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A is more reactive than B
for A:-
Na+Hcl--- nacl +H2
Mg + Hcl---Mgcl2+H2
for A:-
Na+Hcl--- nacl +H2
Mg + Hcl---Mgcl2+H2
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