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JEE Mains · Chemistry · STD 11 - 5. Thermodynamics and thermochemistry

यदि \(Br _{2(1)}\) के लिए कणन एन्थैल्पी \(x \,kJ / mol\) हो तथा \(Br _{2}\) के लिए आबन्ध एन्थैल्पी \(y \,kJ / mol\) हो, तो उनके बीच सम्बनध 

  1. A \(x = y\) होगा
  2. B \(x < y\) होगा
  3. C बनता नहीं है।
  4. D \(x > y\) होगा
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Answer & Solution

Correct Answer

(D) \(x > y\) होगा

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Detailed explanation

Enthalpy of atomisation of \(\mathrm{Br}_{2}(l)\) \(\mathrm{Br}_{2}(l) \stackrel{\Delta \mathrm{H}_{\mathrm{vap}}}{\longrightarrow} \mathrm{Br}_{2}(\mathrm{g}) \stackrel{\Delta \mathrm{H}_{\mathrm{BE}}}{\longrightarrow} 2 \mathrm{Br}(\underline{\mathrm{g}})\)…
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