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Question

The common positive oxidation states for an element with atomic number 24, are

A
+1 and +3
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B
+1 to +6
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C
+1 and +3 to +6
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D
+2 to +6
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Solution

The correct option is D +2 to +6
Z=24 for Cr
Electronic configuration:
[Ar] 4s1 3d5
The most common oxidation states for Cr are +2, +3, +4, +5 and +6.

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