Question
The salts of $$Cu$$ in +1 oxidation state are unstable because
A.
$$C{u^ + }$$ has $$3{d^{10}}$$ configuration
B.
$$C{u^ + }$$ disproportionates easily to $$Cu\left( 0 \right)$$ and $$C{u^{2 + }}$$
C.
$$C{u^ + }$$ disproportionates easily to $$C{u^{2 + }}$$ and $$C{u^{3 + }}$$
D.
$$C{u^ + }$$ is easily reduced to $$C{u^{2 + }}$$
Answer :
$$C{u^ + }$$ disproportionates easily to $$Cu\left( 0 \right)$$ and $$C{u^{2 + }}$$
Solution :
$$C{u^ + }$$ ions undergo disproportionation, $$2C{u^ + } \to C{u^{2 + }} + Cu$$