A tin chloride Q undergoes the following reactions (not balanced)
$$Q + Cl^- \rightarrow X$$
$$Q + Me_3N \rightarrow Y$$
$$Q + CuCl_2 \rightarrow Z + CuCl$$
X is a monoanion having pyramidal geometry. Both Y and Z are neutral compounds. Choose the correct option(s)

A

The central atom in X is $$sp^3$$ hybridized

B

There is a coordinate bond in Y

C

The oxidation state of the central atom in Z is +2

D

The central atom in Z has one lone pair of electrons