Correct order of bond dissociation energy - Vidyadip

MCQ

Correct order of bond dissociation energy

A
$Br _{2} > Cl _{2}$
B
$F _{2} > Cl _{2}$
C
$I _{2} > F _{2}$
D
$F _{2} > I _{2}$

✓

Answer

The order of bond dissociation energy is given below.

$Cl _{2}> Br _{2}> F _{2}> I _{2}$

Fluorine has very small size due to which inter-electronic repulsion is there between two fluorine atoms this results in the weaken bond.

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

Explore more

More "M.C.Q (1 Marks)" from p -Block elements - ll→p -Block elements - ll — all question types→Chemistry STD 12 Science question papers→Gujarat Board STD 12 Science question papers→Gujarat Board question paper generator→

Similar questions

Dissolving $1.24 g$ of white phosphorous in boiling $NaOH$ solution in an inert atmosphere gives a gas $Q$. The amount of $CuSO _4$ (in g) required to completely consume the gas $Q$ is. . . . [Given : Atomic mass of $H =1, O =16, Na =23, P =31, S =32, Cu =63$ ]

The reaction is $C{H_3}CH = C{H_3}\mathop {\xrightarrow{{CO + {H_2}O}}}\limits_{{H^ + }} $ $\begin{array}{*{20}{c}}
{C{H_3} - CH - C{H_3}} \\
{|\,\,\,\,\,} \\
{\,\,\,\,\,\,\,\,COOH}
\end{array}$ known as

For $A + B \longrightarrow C + D$ ; $\Delta H = - 20\,kJ/mol$ the activation energy of the forward reaction is $85\, kJ\, mole^{-1}$. The activation energy for backward reaction is.....$KJ/mo{l^{ - 1}}$

Which of the following have different number of $p_{\pi} -d_{\pi}$ bonds present as ompared to other molecule ?

The calculated spin only magnetic moments $(BM)$ of the anionic and cationic species of ${\left[ {Fe{{\left( {{H_2}O} \right)}_6}} \right]_2}$ and $\left[ {Fe{{\left( {CN} \right)}_6}} \right]$ , respectively, are:

Which pair of ion is colourless

Glucose molecule reacts with $X$ number of molecules of phenylhydrazine to yield osazone. The value of $X$ is

Which of the following statement is correct?

$\begin{matrix}
O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, \\
||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, \\
Ph-C-C{{H}_{3}}\xrightarrow[HCl]{NaN{{O}_{2}}}(A)\xrightarrow[heat]{A{{C}_{2}}O}(B)\xrightarrow{{{H}_{3}}{{O}^{+}}}(C) \\
\end{matrix}$

Product $(C)$ of the above reaction is

Which of the following statement is $INCORRECT$ ?