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JEE Main 201610 AprilOnline
Exam
JEE Main
Year
2016
Date
10 April
Mode
Online
Subject
Chemistry
Chapter
Classification of Elements and Periodicity in Properties

JEE Main 2016 · 10 April · Online · Chemistry · Classification of Elements and Periodicity in Properties

The following statements concern elements in the periodic table....

The following statements concern elements in the periodic table. Which of the following is true?

Options

  1. AFor group 1515 elements, the stability of +5+ 5 oxidation state increases down the group.
  2. BElements of group 1616 have lower ionization enthalpy values compared to those of group 1515 in the corresponding periods.
  3. CThe group 1313 elements are all metals.
  4. DAll the elements in group 1717 are gases.

Correct answer

B. Elements of group 1616 have lower ionization enthalpy values compared to those of group 1515 in the corresponding periods.

Step-by-step solution

Group 1616elements have less ionization potential than Group 1515elements due to half-filled configurations of group 1515elements. So need more amount of energy to remove an electron. In the halogen family iodine is solid and bromine is liquid. In the boron family boron is non metal.

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