Classification Of Elements And Periodicity In Properties Question 34
Question: The set representing the correct order of first ionisation potential is [IIT-JEE (Screening) 2001]
Options:
A) $ K>Na>Li $
B) $ Be>Mg>Ca $
C) $ B>C>N $
D) $ Ge>Si>C $
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Answer:
Correct Answer: B
Solution:
1st I.P. decreases down the group.
BETA
