Q. Ions of an element are chemically inactive because of the octet configuration of their valence shells .then how do this reaction takes place?
(i) M n 2 + a q + H 2 S g     M n S + H + a q

Dear Student

The element having a complete octet gives its electrons to another element to form ionic bond. Example- Zn gives loan pair to sulfur and make Zn+2S-2=ZnS. The same concept is applied in the case of MnS.


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