MCQ
Correct order of electron affinity ?
- ✓Pnicogen < Chalcogen < Halogen
- BChalcogen < Pnicogen < Halogen
- CHalogen < Pnicogen < Chalcogen
- DChalcogen < Halogen < Pnicogen
✓
Answer
Correct option: A.
Pnicogen < Chalcogen < Halogen
a
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
When $KMn{O_4}$ is reduced with oxalic acid in acidic solution, the oxidation number of $Mn$ changes from
→The factor responsible for depletion of ozone layer is :
Arrange the following compounds in decreasing order of their heats of combustion
An element has electronic configuration $ 2, 8, 18, 1. $ If its atomic weight is $63, $ then how many neutrons will be present in its nucleus
→Which of the following substances has giant covalent structure
In compound $X$, all the bond angles are exactly ${109^o}28',$ $X$ is
→${A_{2(g)}} + {B_{2(g)}}$ $\rightleftharpoons$ $2A{B_{(g)}}$; $\Delta H = + ve$
→Number of $\sigma $ and $\pi $ bonds present in $1- $butene$-3-$yne respectively are
→Given that the bond energy of hydrogen-hydrogen bond is $436\, kJ/mol$, that of hydrogen-oxygen bond is $464\, kJ/mol$, and those in oxygen molecules $496\, kJ/mol$, what is the approximate heat of reaction for $2H_2 + O_2 \longrightarrow 2H_2O$ ? .....$kJ/mol$
→$2{x_{6(g)}} \rightleftharpoons 4{x_{3(g)}}$
→a $20\ L$ box containing $X_6$ and $X_3$ at equilibrium at $1500\ K$ . $K_p = 4 \times 10^{18}\ atm$ . Assuming ${P_{{x_3}}} > > {P_{{x_6}}}$ and total pressure is $10\ atm$ .The partial pressure of $X_6$ will be