JEE Main Chemistry question

The correct order in which the first ionisation potential increases is [K CET 2008]

(A)Na, K, Be
(B)K, Na, BeCorrect
(C)K, Be, Na
(D)Be, Na, k

Answer: (B)

Solution

First ionisation potential decreases down a group and increases across a period. Within Group 1, (IE decreases down the group); Be (Group 2, period 2) has a much

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Question ID VK-133161