MCQ
From the ground state electronic configuration of the elements given below, pick up the one with highest value of second ionization energy
- A$1s^2\, 2s^2 \,2p^6 \,3s^2$
- ✓$1s^2\,2s^2\, 2p^6 \,3s^1$
- C$1s^2 \,2s^2 \,2p^6$
- D$1s^2\, 2s^2 \,2p^5$
✓
Answer
Correct option: B.
$1s^2\,2s^2\, 2p^6 \,3s^1$
b
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
The correct increasing order for bond angles among $\mathrm{BF}_3, \mathrm{PF}_3$ and $\mathrm{C} / \mathrm{F}_3$ is :
→What tool was Thomson using when he discovered the electron?
In a reaction
→${A_2}(g) + 4{B_2}(g) \rightleftharpoons 2A{B_4}(g)\,;\,\Delta H < 0$
the formation of $AB_4(g)$ will be favoured by
A $s{p^3}$ hybridized orbital contains
→.
Which one of the following is an example of disproportionation reaction?
Choose the correct statement($s$) among the following.
→$(A)$ $SnCl _2 \cdot 2 H _2 O$ is a reducing agent.
$(B)$ $SnO _2$ reacts with $KOH$ to form $K _2\left[ Sn ( OH )_6\right]$.
$(C)$ A solution of $PbCl _2$ in $HCl$ contains $Pb ^{2+}$ and $Cl ^{-}$ions.
$(D)$ The reaction of $Pb _3 O _4$ with hot dilute nitric acid to give $PbO _2$ is a redoxreaction.
The correct order towards bond angle is
Which of the following is zero for an $ isochoric$ process
→What is the entropy change (in $J\,{K^{ - 1}}\,mo{l^{ - 1}}$) when one mole of ice is converted into water at ${0\,^o}C$ (The enthalpy change for the conversion of ice to liquid water is $6.0\,\, kJ$ $mo{l^{ - 1}}$ at ${0\,^o}C$)
→