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Q.

Match column I(element) with column II (oxidation state)

 element oxidation state
AFIneither positive nor negative
BNeIIboth positive and negative
CCsIIIonly negative
DIIVonly positive

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a

ABCD
IIIIIVII

b

ABCD
IIIIIIII

c

ABCD
IIIIVIII

d

ABCD
IIIIIIIV

answer is A.

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Detailed Solution

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 element oxidation state
AFIIIonly negative
BNeIneither positive nor negative
CCsIVonly positive
DIIIboth positive and negative
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