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Problem
Problem
Which statements are correct regarding copper sulphate? (a) It reacts with
NaOH
\text{NaOH}
NaOH
and glucose to give
Cu
2
O
\text{Cu}_2\text{O}
Cu
2
O
(b) It reacts with
KCl
\text{KCl}
KCl
to give
Cu
2
O
\text{Cu}_2\text{O}
Cu
2
O
(c) It gives
CuO
\text{CuO}
CuO
on heating in air (d) It reacts with
KI
\text{KI}
KI
to give brown colouration
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