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Chemistry
The following statements concern elements in the periodic table. Which of the following is true ?
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Q. The following statements concern elements in the periodic table. Which of the following is true ?
JEE Main
JEE Main 2016
Classification of Elements and Periodicity in Properties
A
All the elements in Group 17 are gases.
9%
B
The Group 13 elements are all metals.
14%
C
Elements of Group 16 have lower ionization enthalpy values compared to those of Group 15 in the corresponding periods.
66%
D
For Group 15 elements, the stability of +5 oxidation state increases down the group.
11%
Solution:
Group 16 elements have less IP than Group 15 elements due to half filled configurations of Group 15 elements.