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NEET2001Chemistryp Block Elements (Group 15, 16, 17 & 18)Actual

Which one forms KHX ₂ type compound?

Options

  1. AHF
  2. BHCl
  3. CHI
  4. DHBr

Correct answer

A. HF

Step-by-step solution

Hydrogen fluoride is an associated molecule and can be represented by H ₂ ~F ₂ . This is due to the fact that strong hydrogen bonding exists between the molecules. (as F is highly electronegative element) H ₂ ~F ₂+ KF KHF ₂+ HF

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