A) \[Li>Na>K\]
B) \[K>Li>Na\]
C) \[Na>Li>K\]
D) \[Li>K>Na\]
Correct Answer: A
Solution :
\[Li>Na>K\] is the correct order of 1st ionisation energy because they are member of same group and 1st ionisation energy decreases with increase in size. In a group from top to bottom atomic radius increases.You need to login to perform this action.
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