JEE Main Chemistry question

Chemistry Chemical Bonding and Molecular Structure JEE Main

The electronegativity values of C, H, O, N and S are 2.5, 2.1, 3.5, 3.0 and 2.5 respectively. Which of the following bonds is most polar?

(A)C–H
(B)N–H
(C)S–H
(D)O–HCorrect

Answer: (D)

Solution

Bond polarity increases with the electronegativity difference between the bonded atoms. Differences:

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Question ID VK-133785