Published by:
CGP EDU Academic Team
Published on: August 13, 2026
Which of the following are basic oxides?
A
and 
B
and CrO
C
CrO and 
D
and 
Text Solution
Verified by ExpertsThe correct answer is:
B
In case of transition metal oxides, the oxides with metals in lower oxidation states are basic in nature.
O.S. of Mn in 
in 
= +5; cr in CrO 
Thus in 
CrO and 
thus in 
CrO and 
is amphoteric in nature hence 
and CrO are basic in nature
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