Back to CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

JEE CHEMISTRY MCQ: CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

1 Medium

1 of 1

Understanding +4 | -1

Higher values of ionisation energies of the 5d-transition elements are consistent with the :

View answer and explanation

Correct option: B

relative smaller size of their atoms

Option B (relative smaller size of their atoms) is correct because lanthanide contraction leads to similar sizes for 4d and 5d series, impacting ionization energy.

More Questions from CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

Practice All Chapter MCQs →

The compounds of the s-block elements, with the exception of lithium and ...

X

... are predominantly ionic. Here,

X

refers to Among the following elements, the most electronegative is: The pair of amphoteric hydroxides is The element with atomic number 117 if discovered would be placed in The correct order of size among

\mathrm{O}, \mathrm{O}^{2-}, \mathrm{F}

and

\mathrm{F}^{-}

is: The electronic configuration of four elements are given below. Which elements does not belong to the same family as others?