MCQ
On heating $NaCl$ + ${K_2}C{r_2}{O_7}$ + $conc.{H_2}S{O_4}$, the gas comes out is
  • A
    ${O_2}$
  • B
    $C{l_2}$
  • C
    $CrOC{l_2}$
  • $Cr{O_2}C{l_2}$

Answer

Correct option: D.
$Cr{O_2}C{l_2}$
d
(d) $Cr{O_2}C{l_2}$ is a orange red gas.

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

Select the correct statement about given square planar complex.
Alkyl halides can be converted into Grignard reagents by
$Fe,$ $Co$ and $Ni$ have valuable catalytic properties in process involving
Consider the following reaction

$\mathrm{MnO}_2+\mathrm{KOH}+\mathrm{O}_2 \rightarrow \mathrm{A}+\mathrm{H}_2 \mathrm{O} .$

Product ' $A$ ' in neutral or acidic medium disproportionate to give products ' $\mathrm{B}$ ' and ' $\mathrm{C}$ ' along with water. The sum of spin-only magnetic moment values of $B$ and $C$ is . . . . . .$BM$. (nearest integer)

(Given atomic number of $\mathrm{Mn}$ is $25$ )

The basicity of orthophosphoric acid is
For the reaction $2 A+ B \longrightarrow 3 C + D$, which of the following expressions does not represent the rate of the reaction :
We have taken a saturated solution of $\mathrm{AgBr} . \mathrm{K}_{\text {sp }}$ of $\mathrm{AgBr}$ is $12 \times 10^{-14}$. If $10^{-7} \mathrm{~mole}$ of $\mathrm{AgNO}_3$ are added to $1$ litre of this solution find conductivity (specific conductance) of this solution in terms of $10^{-7} \mathrm{~S} \mathrm{~m}^{-1}$ units.

Given, $\lambda_{\left(\mathrm{Ag}^{+}\right)}^{\circ}=6 \times 10^{-3} \mathrm{Sm}^2 \mathrm{~mol}^{-1}, \lambda_{\left(\mathrm{Br}^{-}\right)}^{\circ}=8 \times 10^{-3} \mathrm{Sm}^2 \mathrm{~mol}^{-1}, \lambda_{\left(\mathrm{NO}_{\mathrm{j}}\right)}^{\circ}=7 \times 10^{-3} \mathrm{Sm}^2 \mathrm{~mol}^{-1}$.


Haloalkanes contain halogen atom (s) attached to the sp3 hybridised carbon atom of an alkyl group. Identify haloalkane from the following compounds.

Major product $(R)$ of following reaction is

Figure $\xrightarrow[{0\, - \,5\,\,{\,^o}C}]{{HN{O_2}}}$ $P$ $\xrightarrow{{HB{F_4}}}Q$ $\xrightarrow[{Cu,\,\,\Delta }]{{NaN{O_2}}}R$

Which of the following complexes is strongest reducing agent