MCQ
$S^{2-}$ and $SO_3\,^{2-}$ can be distinguished by using
  • A
    $(CH_3COO)_2Pb$
  • B
    $Na_2[Fe(CN)_5NO]$
  • both $(A)$ and $(B)$
  • D
    None of these

Answer

Correct option: C.
both $(A)$ and $(B)$
c

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

Assertion : Iodine is more soluble in water than in carbon tetrachloride.

Reason : Iodine is a polar compound.

Given

$(i)\,\,C\,({\rm{graphite}})\, + \,{O_2}{\kern 1pt} (g)\, \to \,C{O_2}\,(g);\,\Delta r{H^\circleddash} = x\,\,kJ\,mo{l^{ - 1}}$

$(ii)\,\,C\,({\rm{graphite}})\, + \,\frac{1}{2}{O_2}{\kern 1pt} (g)\, \to \,CO\,(g);\,\Delta r{H^\circleddash} = y\,\,kJ\,mo{l^{ - 1}}$

$(iii)\,\,CO\,(g)\, + \,\frac{1}{2}{O_2}{\kern 1pt} (g)\, \to \,C{O_2}\,(g);\,\Delta r{H^\circleddash} = z\,\,kJ\,mo{l^{ - 1}}$

Based on the above thermochemical equations, find out which one of the following algebraic relationships is correct?

Calculate $\Delta G^o (kJ/mol)$ at $127\,^oC$ for a reaction with $K_{equilibrium} = 10^5$
Match List-$I$ with the List-$II$

List-$I$

Reaction

List-$II$

Type of redox reaction

$(A)$ $\mathrm{N}_{2(\mathrm{~g})}+\mathrm{O}_{2(\mathrm{~g})} \rightarrow 2 \mathrm{NO}_{(\mathrm{g})}$ $(I)$ Decomposition
$(B)$ $\begin{aligned} & 2 \mathrm{~Pb}\left(\mathrm{NO}_3\right)_{2(\mathrm{~s})} \rightarrow 2 \mathrm{PbO}_{(\mathrm{s})}+4 \mathrm{NO}_{2(\mathrm{~g})}+\mathrm{O}_{2(\mathrm{~g})}\end{aligned}$ $(II)$ Displacement
$(C)$ $\begin{aligned} 2 \mathrm{Na}_{(\mathrm{s})}+2 \mathrm{H}_2 \mathrm{O}_{(\mathrm{l})} \rightarrow 2 \mathrm{NaOH}_{(\mathrm{aq} .)}+\mathrm{H}_{2(\mathrm{~g})}\end{aligned}$ $(III)$ Disproportionation
$(D)$ $\begin{aligned} 2 \mathrm{NO}_{2(\mathrm{~g})}+2-\mathrm{OH}_{(\mathrm{aq})} \rightarrow \mathrm{NO}_{2(\mathrm{aq} .)}^{-}+\mathrm{NO}_{3(\mathrm{qq} .)}^{-}+\mathrm{H}_2 \mathrm{O}_{(\mathrm{l})}\end{aligned}$ $(IV)$ Combination

Choose the correct answer from the options given below:

The $IUPAC$ name of compound

$\begin{array}{*{20}{c}}
  {HO - C = O\,\,\,\,\,\,\,C{H_3}} \\ 
  {\,\,\,\,\,\,|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|} \\ 
  {C{H_3} - C = C-C - H} \\ 
  {\,\,\,\,\,\,\,\,\,\,\,\,\,|\,\,\,\,\,\,\,\,\,\,\,|} \\ 
  {\,\,\,\,\,\,\,\,\,\,\,\,\,\,N{H_2}\,\,\,\,\,Cl} 
\end{array}$

is :

Which complex compound is most stable?
Oxidation state of oxygen atom in potassium superoxide is
Prevention of corrosion of iron by zinc coating is called
The bond energies of $C -C, C = C, H -H$ and $C -H$ bonds are $350, 600, 400$ and  $410\, kJ$ per mole respectively. The heat of hydrogenation of ethylene $(C_2H_4)$ is ......$ kJ\, mol^{-1}$
In Lassaigne's extract of an organic compound, both nitrogen and sulphur are present, on reaction with $Fe ^{3+}$, it forms $[ Fe ( SCN )]^{2+}$, of which colour: