Carbon, Group (14) element in the Periodic Table

Carbon, Group (14) element in the Periodic Table, is known to form compounds with many elements.
Write an example of a compound formed with :
(a) chlorine (Group 17 of Periodic Table).
(b) oxygen (Group 16 of Periodic Table).

(a) Carbon tetrachloride (C$C{{l}{4}}$).
(b) Carbon dioxide (C${{O}
{2}}$).