JEE PYQ: P Block Elements Question 35
Question 35 - 2020 (07 Jan Shift 1)
The electron gain enthalpy (in kJ/mol) of fluorine, chlorine, bromine and iodine, respectively, are:
(1) $-296, -325, -333$ and $-349$
(2) $-349, -333, -325$ and $-296$
(3) $-333, -349, -325$ and $-296$
(4) $-333, -325, -349$ and $-296$
Show Answer
Answer: (3)
Solution
Chlorine has highest electron gain enthalpy (most negative) among the given elements, the electron gain enthalpy decreases down the group i.e., moves to least negative.
BETA
