4 is the correct answer
Sol-
let B.E. of x2, y2 & xy are x kJ mol–1, 0.5x kJ mol–1 and x kJ mol–1 respectively.
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Answers & Comments
4 is the correct answer
Sol-
let B.E. of x2, y2 & xy are x kJ mol–1, 0.5x kJ mol–1 and x kJ mol–1 respectively.