1.

Among the oxides, Mn_(2)O_(7)(I), V_(2)O_(3) (II), V_(2)O_(5) (III),CrO(IV) and Cr_(2)O_(3)(V), the basic oxides are

Answer»

I and II
II and III
III and IV
II and IV

Solution :Generally, the OXIDES in the lower oxidation states of metals are BASIC.


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