MCQ
Which has yellow colour
  • A
    Potassium cobaltinitrite
  • B
    Potassium hexanitro cobaltate $(III)$ 
  • C
    Fischer's salt
  • D
    All the above

Answer

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

Benzyl isocyanide can be obtained by:

Choose the correct answer from the options given below:

What is true for the equilibrium reaction ?

$\begin{matrix}
   O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,  \\
   ||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,  \\
   C{{H}_{3}}-C-OH+C{{H}_{3}}-OH\overset{cat.}{\longleftrightarrow}  \\
\end{matrix}\begin{matrix}
   O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,  \\
   ||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,  \\
   C{{H}_{3}}-C-O-C{{H}_{3}}+{{H}_{2}}O  \\
\end{matrix}$

An organic compound of molecular formula ${C_4}{H_{10}}O$ does not react with sodium. With excess of $HI,$ it gives only one type of alkyl halide. The compound is
Total number of unpaired electrons in the complex ion $\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_6\right]^{3+}$ and $\left[\mathrm{NiCl}_4\right]^{2-}$ is...............
Oxidation number of $Fe$ in ${K_3}[Fe{(CN)_6}]$ is
Iron is protected by coating it with a thin layer of
The compounds $\left[\mathrm{Co}\left(\mathrm{SO}_4\right)\left(\mathrm{NH}_3\right)_5\right] \mathrm{Br}$ and $\left[\mathrm{Co}\left(\mathrm{SO}_4\right)\left(\mathrm{NH}_3\right)_5\right] \mathrm{Cl}$ represent:
The rate constant for a zero order reaction is $2 \times 10^{-2}\, mol\, L^{-1}\, sec^{-1}$. If the concentration of the reactant after $25\, sec$ is $0.5\, M$, the initial concentration must have been ......... $M$
Which of the following is not a disaccharide?
Which one of the following is incorrect for ideal solution ?