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

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The ionisation energy will be maximum for the process:

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Correct option: B

\mathrm{Be} \to \mathrm{B}{\mathrm{e}^{2 + }}

Option B (

\mathrm{Be} \to \mathrm{B}{\mathrm{e}^{2 + }}

) is correct because removing two electrons from Be requires significantly more energy due to its small size and relatively high nuclear charge compared to removing electrons from Cs, Li, or Ba.

More Questions from CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

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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?