Q.
The correct statement(s) about Cr2+ and Mn3+ is (are) [Atomic numbers of Cr = 24 and Mn = 25 ]
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a
Cr2+is a reducing agent
b
Mn3+is an oxidizing agent
c
Both Cr2+ and Mn3+ exhibit d2 electronic configuration
d
When Cr2+ is used as a reducing agent, the chromium ion attains d5 electronic configuration
answer is