MCQ
Which one of the elements has the maximum electron affinity
  • A
    $F$
  • $Cl$
  • C
    $Br$
  • D
    $I$

Answer

Correct option: B.
$Cl$
b
(b) Flourine although have highest electronegativity due to its very small size, effective inter electronic repulsions are observed which brings down its electron affinity.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

$K_1 , K_2$ and $K_3$ are the equilibrium constants of the following reactions $(I), (II)$ and $(III)$ respectively

$(I)\,\,\,\,{N_2} + 2{O_2} \rightleftharpoons 2N{O_2}$

$(II)\,\,\,\,2N{O_2} \rightleftharpoons {N_2} + 2{O_2}$

$(III)\,\,\,\,N{O_2} \rightleftharpoons \frac{1}{2}{N_2} + 2{O_2}$

The correct relation from the following is

The determination of $Ph_2C(OH)CH_2NH_2$ with $NaNO_2 - HCl$ gives a  product $(P)$ which on oxidation gives benzoic acid only Identify the product $(P)$
$\,$
Find the highest ratio of $IP$ values of given pair of elements
The oxidation number of $Cr$ in the complex ${[Cr{({H_2}O)_4}C{l_2}]^ + }$
Which of the following reactions are disproportionation reactions?

(A) $\mathrm{Cu}^{+} \rightarrow \mathrm{Cu}^{2+}+\mathrm{Cu}$

(B) $3 \mathrm{MnO}_4^{2-}+4 \mathrm{H}^{+} \rightarrow 2 \mathrm{MnO}_4^{-}+\mathrm{MnO}_2+2 \mathrm{H}_2 \mathrm{O}$

(C) $2 \mathrm{KMnO}_4 \rightarrow \mathrm{K}_2 \mathrm{MnO}_4+\mathrm{MnO}_2+\mathrm{O}_2$

(D) $2 \mathrm{MnO}_4^{-}+3 \mathrm{Mn}^{2+}+2 \mathrm{H}_2 \mathrm{O} \rightarrow 5 \mathrm{MnO}_2+4 \mathrm{H}^{+}$

Choose the correct answer from the options given below:

Compounds that should not be used as primary standards in titrimetric analysis are :
A. $\mathrm{Na}_{2} \mathrm{Cr}_{2} \mathrm{O}_{7}$
B. Oxalic acid
C. NaOH
D. $\mathrm{FeSO}_{4} \cdot 6 \mathrm{H}_{2} \mathrm{O}$
E. Sodium tetraborate
Choose the most appropriate answer from the options given below:
In which reaction racemic mixture is not obtained ?
Nitrobenzene on further excessive nitration gives
An organic compound $C_xX_YO_z$ on complete combustion provides equivolume of products $CO_2(g)$ and $H_2O(g)$ which is individually double the volume of organic compound taken. In the process volume of oxygen consumed is same as volume of $CO_2$ produced and liberated heat during combustion is $500 \ kcal/mole$ at constant pressure and at $500\ K$. Formula of organic compoun  & $\Delta U$ for reaction will be -