MCQ
Which halide is not oxidised by $Mn{O_2}$
  • $F$
  • B
    $Cl$
  • C
    $Br$
  • D
    $I$

Answer

Correct option: A.
$F$
a
(a) Fluorine has highest ${E^o}$-value and more reactive than $Mn{O_2}$.

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

The most electropositive element possesses the electronic configuration
Which one amongst the following possesses an $sp$ hybridized carbon in its structure
A $0.6\%$  solution of urea (molecular weight $ = 60 $) would be isotonic with
Which of the following compounds will exhibit cis-trans isomerism
A precipitate of $AgCl$ is formed when equal volumes of the following are mixed. $[{K_{sp}}$ for $AgCl = {10^{ - 10}}]$
Consider a helium $( He )$ atom that absorbs a photon of wavelength $330 nm$. The change in the velocity (in $cm s ^{-1}$ ) of He atom after the photon absorption is. . . . . . 

(Assume: Momentum is conserved when photon is absorbed. Use: Planck constant $=6.6 \times 10^{-34} J s$, Avogadro number $=6 \times 10^{23} mol ^{-1}$, Molar mass of $He =4 g mol ^{-1}$ )

Shape of $O_2F_2$ is similar to that of
The major product ($Y$) in the following reactions is

$\begin{array}{*{20}{c}}
  {C{H_3}\,\,\,\,\,\,\,\,\,} \\ 
  {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {C{H_3} - CH - C = CH} 
\end{array}\xrightarrow[{{H_2}O}]{{HgS{O_4},{H_2}S{O_4}}}X$ $\xrightarrow[{(ii)\,conc.{H_2}S{O_4}/\Delta }]{{(i)\,{C_2}{H_5}MgBr,{H_2}O}}Y$

Which of the following do not give aliphatic primary amine as product
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 $2H_2 + O_2 \longrightarrow 2H_2O$ ? .....$kJ/mol$