The dand fblock elements - Result Question 29
####29. Which of the following shows maximum number of oxidation states?
[2002]
(a) $Cr$
(b) $Fe$
(c) $Mn$
(d) $V$
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Solution:
- (c) $Mn:[Ar] 3 d^{\widehat{P}} 4 s^{2}$
Shows $+2,+3,+4,+5,+6 &+7$ oxidation states