Back to CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

NEET UG CHEMISTRY MCQ: CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

1 Medium

1 of 1

Analyzing +4 | -1

Which of the following does not represents the correct order of the property indicated?

View answer and explanation

Correct option: A

\mathrm{S}{\mathrm{c}^{3 + }} > C{\mathrm{r}^{3 + }} > F{\mathrm{e}^{3 + }} > M{\mathrm{n}^{3 + }} -

ionic radii

Option C is incorrect because the first ionization energy of Nitrogen is higher than Oxygen due to the stable half-filled p-orbital configuration of Nitrogen.

More Questions from CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

Practice All Chapter MCQs →

The elements with zero electron affinity are S-I:

\mathrm{Cu}^{+2}

paramagnetic.

S-II: All the orbitals present in

\mathrm{Cu}^{+2}

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?