Question

A reddish brown metal P does not react with dilute sulphuric acid. It forms an oxide
which is black in colour. Now when this metal P reacts with concentrated acid and
heated evolves a reddish brown colour gas having the smell of burning sulphur.

a)What is that metal.?
b)Write the reaction of the metal P with concentrated sulphuric acid.
c)Write the name of the black colour metal oxide PO.
d)What is the brown colour gas with burning sulphur smell?



please tell correct and fast ☺️​

Answer 1

Answer:

a) The metal is copper

b) Cu + H2SO4 -------> CuSO4 +SO2 + H2O

c) The black oxide is copper oxide

d) The smell of burning sulphur is due to evolution of SO2

Explanation:

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