Question

HOTS
A red brown metal X forms a salt XSO.
When hydrogen sulphide gas is passed through
an aqueous solution of XSO,, then a black
precipitate of XS is formed along with sulphuric
acid solution.
a) What could the salt XSO, be!
- b) What is the colour of the salt XSO,?
c) Name the black precipitate XS?
$ d) By using the formula of the salt obtained in above,
write an equation of the reaction which takes place
when hydrogen sulphide gas is passed through the
aqueous solution of this salt.
d) What type of chemical reaction takes place in this
case?​

Answer 1

Answer:

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