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 x_B> x_A

(a) 2.81 (b) 1.8 (c) 1.99 (d) 3.0

EXPLAIN REASON OF YOUR ANSWER.

Question

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 x_B> x_A

(a) 2.81 (b) 1.8 (c) 1.99 (d) 3.0

EXPLAIN REASON OF YOUR ANSWER.

ankit agrawal · Answer

x b -x a = 0.208&radic;E a-b -&radic;E a-a .E b-b x a= 1.99

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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 x B > x A (a) 2.81 (b) 1.8 (c) 1.99 (d) 3.0 EXPLAIN REASON OF YOUR ANSWER.

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 x_B> x_A

(a) 2.81 (b) 1.8 (c) 1.99 (d) 3.0

EXPLAIN REASON OF YOUR ANSWER.

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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 x B > x A (a) 2.81 (b) 1.8 (c) 1.99 (d) 3.0 EXPLAIN REASON OF YOUR ANSWER.

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.

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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 x_B> x_A

(a) 2.81 (b) 1.8 (c) 1.99 (d) 3.0

EXPLAIN REASON OF YOUR ANSWER.