MCQ
Select the correct statement about the given complex
  • A
    It has four ions in aqueous solution
  • B
    Primary valency of cobalt is six.
  • It give one mole of $AgCl$ ppt on reaction with excess of $AgNO_3$.
  • D
    It has one primary valency

Answer

Correct option: C.
It give one mole of $AgCl$ ppt on reaction with excess of $AgNO_3$.
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

An aromatic compound '$A$' on treatement with aqueous ammonia and heating forms compound '$B$' which on heating with $Br_2$ and $KOH$ form a compound $C$ of molecular formula $C_6H_7N$. The structures of compound $A, \,B$ and $C$ are respectively
$\begin{array}{*{20}{c}}
  {{{(C{H_3})}_2}CH - C - N{H_2}\,\xrightarrow[{B{r_2}}]{{NaOH}}A\xrightarrow{{COC{l_2}}}B} \\ 
  {||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} 
\end{array}$ $B$ is
Which will have maximum $pH$
For the reduction of $\mathrm{NO}_3^{-}$ion in an aqueous solution, $\mathrm{E}^0$ is $+0.96 \mathrm{~V}$. Values of $\mathrm{E}^0$ for some metal ions are given below

$\mathrm{V}^{2+}(\mathrm{aq})+2 \mathrm{e}^{-} \rightarrow \mathrm{V} \ \ \ \ \mathrm{E}^0=-1.19 \mathrm{~V} $

$\mathrm{Fe}^{3+}(\mathrm{aq})+3 \mathrm{e}^{-} \rightarrow \mathrm{Fe} \ \ \ \ \mathrm{E}^0=-0.04 \mathrm{~V} $

$\mathrm{Au}^{3+}(\mathrm{aq})+3 \mathrm{e}^{-} \rightarrow \mathrm{Au} \ \ \ \ \mathrm{E}^0=+1.40 \mathrm{~V} $

$\mathrm{Hg}^{2+}(\mathrm{aq})+2 \mathrm{e}^{-} \rightarrow \mathrm{Hg} \ \ \ \ \mathrm{E}^0=+0.86 \mathrm{~V}$

The pair$(s)$ of metals that is$(are)$ oxidized by $\mathrm{NO}_3^{-}$in aqueous solution is$(are)$

$(A)$ $\mathrm{V}$ and $\mathrm{Hg}$ $(B)$ $\mathrm{Hg}$ and $\mathrm{Fe}$

$(C)$ $\mathrm{Fe}$ and $\mathrm{Au}$ $(D)$ $Fe$ and $V$

Laughing gas is prepared by heating
Which one of the following is the most basic compound :
Ionisation constant of a weak acid $(HA)$ in terms of $\Lambda _m^\infty $ and ${\Lambda _m}$ is
A trend common to both groups $I$ and $VII$ elements in the periodic table as atomic number increases is
In a cyclotrimetaphosphoric acid molecule, how many single and double bonds are present ?
If uncertainty in position and momentum are equal, then uncertainty in velocity is