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JEE Mains · Chemistry · STD 11 -p-Block elements - I

आबन्ध एंथैल्पी \(\left(\mathrm{kJ} \mathrm{mol}^{-1}\right)\) के लिए सही क्रम है:

  1. A \(Si - Si > C - C > Sn - Sn > Ge - Ge\)
  2. B \(Si - Si > C - C > Ge - Ge > Sn - Sn\)
  3. C \(C - C > Si - Si > Sn - Sn > Ge - Ge\)
  4. D \(C - C > Si - Si > Ge - Ge > Sn - Sn\)
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Correct Answer

(D) \(C - C > Si - Si > Ge - Ge > Sn - Sn\)

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Detailed explanation

(Bond enthalpy order \(C - C > Si - Si > Ge - Ge > Sn - Sn )\)
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