The element that exhibits negative oxidation state in IIIA group is
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a
B
b
Al
c
Ga
d
Tl
answer is A.
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Detailed Solution
"B" is the element that exhibits negative oxidation state in IIIA group.Eg,Magnesium boride MgB2In MgB2 the oxidation state of boron is -1The negative oxidation state of boron is due to ,I) Its small sizeII) And its high electronegativity.