CBSE Class 8 Answered
Hydrogen has a valency of 1 and Sulphur has a valency of 6. When these two react we should get H6S, but we get H2S, why?
Asked by Sushmita Dasgupta | 14 Oct, 2015, 10:02: AM
Expert Answer
Sulphur has valency 2 and NOT 6.
The atomic number of sulphur is 16. Its electronic configuration is 2, 8, 6. Sulphur will accept 2 more electrons to complete its octet. Hence, the valency of sulphur is -2.
Thus, the formula of hydrogen sulphide can be derived a,
Answered by Hanisha Vyas | 14 Oct, 2015, 10:51: AM
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