Back to CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES
NEET UG CHEMISTRY MCQ: CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES
1
Hard
1 of 1
Understanding
+4 | -1
Which of the following isoelectronic ions has lowest ionisation energy?
View answer and explanation
Correct option: D
Option D () is correct because for isoelectronic ions, the ion with the least nuclear charge has the lowest ionization energy.
More Questions from CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES
Practice All Chapter MCQs →
The elements with zero electron affinity are
S-I: paramagnetic.
S-II: All the orbitals present in ion are doubly occupied. Which of the following is the most electropositive element? The law of Octaves is not applicable to: Assertion (A): Mendeleev's arranged elements in horizontal rows and vertical columns.
Reason (R): Mendeleev's ignored the order of atomic weight thinking that the atomic measurements might be incorrect. Which of the following electronic configuration does not belong to same block as others?
S-II: All the orbitals present in ion are doubly occupied. Which of the following is the most electropositive element? The law of Octaves is not applicable to: Assertion (A): Mendeleev's arranged elements in horizontal rows and vertical columns.
Reason (R): Mendeleev's ignored the order of atomic weight thinking that the atomic measurements might be incorrect. Which of the following electronic configuration does not belong to same block as others?