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

1 Easy

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Application +4 | -1

The electro negativity of

\mathrm{H}, \mathrm{X}

and

\mathrm{O}

are

2.1,0.8

and

3.5

respectively on Pauling scale. The nature of compound

\mathrm{HOX}

is:

View answer and explanation

Correct option: B

Basic

Option B (Basic) is correct because the electronegativity difference between M' and O is smaller than between H and O, indicating a higher tendency for M'-O bond to break, releasing OH- ions.

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?