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20-02-2024
Chemistry

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X and Y are diatomic molecules. If the bond enthalpies of X2 and Y2 are in the ratio 1:5, then the bond enthalpy of XY is:
a) 6/7 of X2
b) 1/7 of X2
c) 5/6 of X2
d) 1/6 of X2

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