MCQ
When ${H_2}S$ is passed through acidified $KMn{O_4},$ we get
  • A
    ${K_2}S{O_3}$
  • B
    $Mn{O_2}$
  • C
    $KHS{O_3}$
  • $Sulphur$

Answer

Correct option: D.
$Sulphur$
d
(d) $2KMn{O_4} + 3{H_2}S{O_4} + 5{H_2}S\, \to \,$

${K_2}S{O_4} + 2MnS{O_4} + 8{H_2}O + 5S$

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

Which of the following coordination compounds would exhibit optical isomerism?
For the feasibility of a redox reaction in a cell, the e.m.f. should be
A tetrapeptide has $- COOH$ group on alanine. This produces glycine $(Gly)$, valine $(Val)$, phenyl alanine $(Phe)$ and alanine $(Ala)$, on complete hydrolysis. For this tetrapeptide, the number of possible sequences (primary structures) with $- NH _2$ group attached to a chiral center is:
${C_2}{H_2}\,\xrightarrow[{excess}]{{C{H_3}MgBr}}\mathop {(A)}\limits_{salt} \,\, + \,\mathop {(B)}\limits_{hyydrocarbon} $

$(A)\,\xrightarrow[{excess}]{{Me\, - \,I}}\,(C)\,\xrightarrow[{(ii)\,\,{H^ + }}]{{(i)\,\,NaN{H_2}}}(D)$

Which of the following compound can give positive iodoform test when treated with aqueous $\mathrm{KOH}$ solution followed by potassium hypoiodite.
The decomposition of a hydrocarbon follows the equation $K = (4.5 \times 10^{11} \,s^{-1}) e^{-28000\,K/T.}$ What will the value of activation energy ? ........ $KJ\,mol^{-1}$
Which are not cleaved by $HIO_4$ ?

$I :$ glycerol                                           $II : $ glycol

$III : 1 , 3-$ propenediol                  $IV :$ methoxy $ -2- $ propanol

Which of the following does not give bicarbonate test with $NaHCO_3$
An aqueous solution of a solute $AB$ has $b.p$ of $101.08\,^oC$ ($AB$ is $100\%$ ionised in boiling point of the solution ) and freezes at $-1.80\,^oC$. Hence, $AB\, (K_b / K_f = 0.3)$
An aqueous solution freezes at $-0.186\,^oC$ ($K_f =1.86\, K\, Kg\, mol^{-1}$ ; $K_b = 0.512\, K\, Kg\, mol^{-1}$). What is the elevation in boiling point ?