In which of the following options does the order of arrangement not agree with the variation of property indicated against it?

  • A
    $Al^{3+} < Mg^{2+} < Na^{+} < F^{-}$ (increasing ionic size)
  • B
    $B < C < O < N$ (increasing first ionisation enthalpy)
  • C
    $I < Br < Cl < F$ (increasing electron gain enthalpy)
  • D
    $Li < Na < K < Rb$ (increasing metallic radius)

Explore More

Similar Questions

Which of the following statements regarding the block classification of elements with atomic numbers $(Z)$ is correct?

Difficult
View Solution

The isoelectronic set of ions is

$(a)$ $Be$ and $Mg$ are alkaline earth metals.
$(b)$ $K^{+}$ has larger radii than $Ca^{2+}$.
$(c)$ All $d$-block elements are transition elements.
$(d)$ $H^{-}$ ion is larger than $F^{-}$.
Incorrect statement is/are

If the electronic configuration of $A^{-}$ is $[Ar] \ 4s^2 \ 3d^{10} \ 4p^1$,then $A^{+2}$ will belong to which group and period?

Match the following and select the correct option:
List-$I$List-$II$
$(A)$ Ionization enthalpy$(i)$ $P < Si < Mg < Na$
$(B)$ Metallic character$(ii)$ $I < N < O < F$
$(C)$ Electron gain enthalpy$(iii)$ $B < Be < C < O < N$
$(D)$ Electronegativity$(iv)$ $I < Br < F < Cl$

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo