JEE Main 2021 — Chemical Bonding And Molecular Structure Question with Solution
From: JEE Main 2021 (Online) 26th February Morning Shift
Question
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 :
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 :
Choose an option
Show full solutionCorrect option: C
Correct answer
CA is false but R is true
Step-by-step explanation
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.
F is most electronegative element and anhydrous HF in solid phase has symmetrical hydrogen bonding.
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