MCQ
The outer electronic structure $3{s^2}3{p^5}$ is possessed by
- ✓$Cl$
- B$O$
- C$Ar$
- D$Br$
✓
Answer
Correct option: A.
$Cl$
a
(a) The atomic number of chlorine is $17$ its configuration is $1{s^2}2{s^2}2{p^6}3{s^2}3{p^5}$
(a) The atomic number of chlorine is $17$ its configuration is $1{s^2}2{s^2}2{p^6}3{s^2}3{p^5}$
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
Given the reaction between $2$ gases represented by $A_2$ and $B$ to give the compound $AB_{(g)}$
→$A_{2(g)} + B_{2(g)} \rightleftharpoons 2AB_{(g)}$
At equilibrium, the concentration of $A_2= 3.0 \times 10^{-3} \, M,$ of $B_2= 4.2 \times 10^{-3} \, M,$ of $AB= 2.8 \times 10^{-3} \, M,$
If the reaction takes place in a sealed vessel at $527^o C,$ then the value of $K_c$ will be
Given Below are Two statement
As the $p - $character increases, the bond angle in hybrid orbitals formed by $s$ and atomic orbitals
→In the redox reaction
→$x\ MnO + y\ PbO_2 + z\ HNO_3 \to a\ HMnO_4 + b\ Pb(NO_3 )_2 + c\ H_2O$
A mixture of potassium chlorate, oxalic acid and sulphuric acid is heated. During the reaction which element undergoes maximum change in the oxidation number ?
Radius of the first Bohr’s orbit of hydrogen atom is ............. $\mathrm{A}$
→Sodium chloride is purified by passing hydrogen chloride gas in an impure solution of sodium chloride. It is based on
Ethylene react with $Br_2$ give $1,2-$ Dibromoethane intermediate of reaction is
→The number of atoms in $0.1\, mol$ of a triatomic gas is $(N_A = 6.02\times10^{23}\, mol^{-1})$
→The moles of $Ag^+$ which must be added to decrease the concentration of $Cl^-$ from $4 × 10^{-5}$ $M$ to $10^{-5}\,M$ in $100$ $ml$ solution, if $K_{sp}$ for $AgCl$ is $10^{-10}\,M^2$ at $25\,^oC$
→