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JEE Main2014ChemistryChemical Bonding and Molecular StructureActual

Which of the following molecules has two sigma ( ) and two pi ( ) bonds?

Options

  1. AC ₂ H ₄
  2. BN ₂ ~F ₂
  3. CC ₂ H ₂ Cl ₂
  4. DHCN

Correct answer

D. HCN

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