Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
JEE Main 20245 AprilMorning Shift
Exam
JEE Main
Year
2024
Date
5 April
Shift
Morning Shift
Subject
Chemistry
Chapter
Classification of Elements and Periodicity in Properties

JEE Main 2024 · 5 April · Morning Shift · Chemistry · Classification of Elements and Periodicity in Properties

Given below are two statements : Statement I : In group 13, the...

Given below are two statements : Statement I : In group 13, the stability of +1 oxidation state increases down the group. Statement II : The atomic size of gallium is greater than that of aluminium. In the light of the above statements, choose the most appropriate answer from the options given below :

Options

  1. ABoth Statement I and Statement II are correct
  2. BStatement I is incorrect but Statement II is correct
  3. CBoth Statement I and Statement II are incorrect
  4. DStatement I is correct but Statement II is incorrect

Correct answer

D. Statement I is correct but Statement II is incorrect

Step-by-step solution

Statement I : Number of d&d \& f electrons, increases down the group and due to poor shielding of d&fd \& f e−\mathrm{e}^{-}, stability of lower oxidation states increases down the group Statement II : The atomic size of aluminium is greater than that of gallium.
Practice Classification of Elements and Periodicity in Properties on Quantrex Academy →

More from Classification of Elements and Periodicity in Properties

The correct statement(s) regarding the periodic properties of elements is(are) JEE Advanced 2026Match List-I with List-II. List-I Electronic configuration of neutral atom (where n=2 )… JEE Main 2026In a period, the first ionisation enthalpy of the element at extreme left and the… JEE Main 2026Given below are two statements: Statement I: Aluminium is more electropositive than… JEE Main 2026Given below are two statements : Statement I: The number of pairs among [Al_2O_3… JEE Main 2026Given below are two statements: Statement I: The correct order of electronegativity of… JEE Main 2026The 1^ st ionization enthalpy for Mg is +737 kJ/mol. The most probable estimated value of… JEE Main 2026The electronegativity of a group 13 element 'E' is same as that of Ge (on Pauling scale… JEE Main 2026 Full Classification of Elements and Periodicity in Properties list All JEE Main PYQs