HOW TO FIND THE OXIDATION STATE OF AN ELEMENT IN A COMPOUND

STATEMENT-1 Oxidation state of carbon in its compound is always +4. STATEMENT-2 : An element can show variable oxidation numbers.

The atomic number of an element is 22. The highest oxidation state exhibited by it in its compound is

Assertion :- Oxidation number of Carbon in all it's compounds is +4 . Reason :- An element has a fixed oxidation state.

The compound Yba_(2)cUo_(7) has copper in oxidation state Assume that the rare earth element Yttrium is in its usual oxidation state. The value of n is:

A compound can be formed by the elements A,B and C having oxidation state +1,+2 and -3 respectively. Then which compound may be formed?