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JEE Main · Classification of Elements and Periodicity in Properties · Quiz

Classification of Elements and Periodicity in Properties — quick quiz

5 JEE Main-pattern questions on Classification of Elements and Periodicity in Properties. Instant scoring and solutions, no signup — see where you stand in a few minutes.

Question 1 of 5

Hard

The electron gain enthalpy becomes less negative on moving down a group in the periodic table. However, for Group 17 elements, the electron gain enthalpy of fluorine is less negative than that of chlorine. What is the primary reason for this anomaly?