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Which represents alkali metals based on relative (IE)1 and (IE)2 values?
Options:
- A
- B
- C
- D
Solution:
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Verified Answer
The correct answer is:
M+ (alkali metal ion) has inert gas configuration. Thus, after M+ is formed from M (by (IE)1), further ionisation to M2+ from M+ (by (IE)2) requires very high energy.
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