Question
The correct statement for the molecule, $$Cs{I_3}$$ is:
A.
It is a covalent molecule.
B.
It contains $$C{s^ + }{\text{and}}\,I_3^ - $$ ions.
C.
It contains $$C{s^{3 + }}{\text{and}}\,{I^ - }$$ ions.
D.
It contains $$C{s^ + },{I^ - }$$ and lattice $${I_2}$$ molecule.
Answer :
It contains $$C{s^ + }{\text{and}}\,I_3^ - $$ ions.
Solution :
$$Cs{I_3}$$ dissociates as
$$Cs{I_3} \to C{s^ + } + I_3^ - $$