Question

The enthalpy change for reaction
1/2 X₂ (g) 3/2 Y₂ (g) → XY₃ (g) is – 50 kJ mol⁻¹. If the
bond enthalpies of X–X and X–Y are respectively 380 and
150 kJ mol⁻¹ the bond enthalpy of Y–Y in kJ mol⁻¹ is
(a) 35 (b) 210 [Kerala PMT 2013]
(c) 280 (d) 140

Answer 1

$\huge\bold\red{Answer:-}$

(c) 280✔✔

Answer 2

$\huge{\underline{\mathbb{\red{Answer}}}}$

(c) 280

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