From the set 
and 
, which are predominantly acidic oxides?
A
and 
B
CrO and 
C
and CrO
D
and 
Text Solution
Verified by ExpertsThe correct answer is:
A
In higher oxidation states, transition metal oxides are acidic. 
is amphoteric but mainly acidic, 
gives 
(acidic), while 
is basic, CrO basic, 
amphoteric.
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