Nitrogen can form many oxides with oxygen, and thus is said to exhibit variable valency. Similary, sulphur, phosphours and carbon can exhibit variable valency.
Which sequence of compounds is according to the increasing order of the oxidation state of chlorine?
A. `CI_(2),CI_(2)O,CI_(2)O_(3),CI_(2)O_(5),CI_(2)O_(7),NH_(4)CI`
B. `CI_(2),CI_(2)O,CI_(2)O_(3),CI_(2)O_(7),CI_(2)O_(5)`
C. `CI_(2),CI_(2)O,CI_(2)O_(3),CI_(2)O_(5),CI_(2)O_(7)`
D. `CI_(2),CI_(2)O_(3),CI_(2)O_(7),CI_(2)`