Verified Solution • 2025–26 Session moderate

QJEEM21Ch9d42: JEE Main 2021 Chemistry - Class 11 JEEM21Ch9d42 Solution: Given below are two statements : one is labelled as Assertion A …

Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R.

Assertion A : Dipole-dipole interactions are the only non-covalent interactions, resulting in hydrogen bond formation.

Reason R : Fluorine is the most electronegative element and hydrogen bonds in HF are symmetrical.

In the light of the above statements, choose the most appropriate answer from the options given below :

Multiple Choice Options

  • A Both A and R are true and R is the correct explanation of A
  • B A is true but R is false
  • C A is false but R is true
  • D Both A and R are true but R is NOT the correct explanation of A

Step-by-Step Verified Solution

Dipole - Dipole are not only the interaction responsible for hydrogen bond formation. Ion-dipole can also be responsible for hydrogen bond formation.

F is most electronegative element and anhydrous HF in solid phase has symmetrical hydrogen bonding.

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