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Two elements A & B are such that B.E. of A-A, B-B & A-B are respectively 81 Kcal/mole, 64 Kcal/mole, 76 Kcal/mole & if electronegativity of B is 2.4 then the electronegativity of A may be approximately, if xB > xA
(a) 2.81 (b) 1.8 (c) 1.99 (d) 3.0
EXPLAIN REASON OF YOUR ANSWER.
xb-xa = 0.208√Ea-b-√Ea-a.Eb-b
xa= 1.99
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