The ionization ísomer of $$[Cr(H_{2}O)_{4}Cl(NO_{2})]Cl$$ is

A

$$[Cr(H_{2}O)_{4}(O_{2}N)]Cl_{2}$$

B

$$[Cr(H_{2}O)_{4}Cl_{2}](NO_{2})$$

C

$$[Cr(H_{2}O)_{4}Cl(ONO)]Cl$$

D

$$[Cr(H_{2}O)_{4}Cl_{2}(NO_{2})]H_{2}O$$