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JEE Main Chemistry question

ChemistryClassification of Elements and Periodicity in PropertiesJEE Main

There are 4 diatomic compounds (AB) with electronegativity differences between them () of 1.9, 0.9, 0.7 and 0.4. The compound with the highest percentage of ionic character is represented by which value of ?

Answer: 1.9

Solution

Percentage ionic character increases with increasing electronegativity difference between the bonded atoms.

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Question ID VK-133880