Periodic Classification and Periodic Properties - Result Question 18
####15. The incorrect statement among the following. (1997(C), 1M)
(a) The first ionisation potential of
(b) The second ionisation potential of
(c) The first ionisation potential of
(d) The third ionisation potential of
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Answer:
Correct Answer: 15. (b)
Solution:
- (a) Correct statement In a period, element of 2nd group has higher first ionisation potential than element of group 13.
(b) Incorrect statement
(c) Correct statement Ionisation energy increases from left to right in a period.
