TS EAMCET · Chemistry · General Principles and Processes of Isolation of Metals
Which of the following reactions is used for Mond's process of metal refining?
- A \(\mathrm{Ni}+4 \mathrm{CO}-\stackrel{350 \mathrm{~K}}{\rightarrow} \mathrm{Ni}(\mathrm{CO})_4\)
- B \(2\left[\mathrm{Au}(\mathrm{CN})_2\right](\mathrm{aq})+\mathrm{Zn}(\mathrm{s}) \longrightarrow 2 \mathrm{Au}\) (s)
- C \(\mathrm{ZnO}+\mathrm{C}-\stackrel{1679 \mathrm{~K}}{\longrightarrow} \mathrm{Zn}+\mathrm{CO}\) \(+\left[\mathrm{Zn}(\mathrm{CN})_4\right]^2(\mathrm{aq})\)
- D \(\mathrm{Fe}_2 \mathrm{O}_3+\mathrm{CO} \longrightarrow 2 \mathrm{FeO}+\mathrm{CO}_2\)
Answer & Solution
Correct Answer
(A) \(\mathrm{Ni}+4 \mathrm{CO}-\stackrel{350 \mathrm{~K}}{\rightarrow} \mathrm{Ni}(\mathrm{CO})_4\)
Step-by-step Solution
Detailed explanation
\(\mathrm{Ni}+4 \mathrm{CO} \stackrel{300 \mathrm{~K}}{\longrightarrow} \mathrm{Ni}(\mathrm{CO})_4\) This process is Mond's process and used for refining of Ni.
See the Complete Solution
Get step-by-step explanations for this and 2.5 Lakh+ more JEE, NEET & CET questions.
- Unlock all solutions
- Practice the full chapter
- Track accuracy across PYQs
4.8 rated on Google Play · 14,000+ reviews
More questions from Chemistry
- The IUPAC name of the following compound isTS EAMCET 2023 Easy
- In \(\operatorname{Sr}(\mathrm{Z}=38)\), the number of electrons with \(l=0\) is \(x\), number of electrons with \(l=2\) is \(y .(x-y)\) is equal to
( \(l=\) Azimuthal quantum number)TS EAMCET 2025 Medium - Match the following.
TS EAMCET 2012 Medium - The standard enthalpy of formation \(\left(\Delta_f H^{\circ}\right)\) of ammonia is \(-46.2 \mathrm{~kJ} \mathrm{~mol}^{-1}\). What is the \(\Delta_r H^{-}\)of the following reaction? \(\mathrm{N}_2(\mathrm{~g})+3 \mathrm{H}_2(\mathrm{~g}) \rightarrow 2 \mathrm{NH}_3(\mathrm{~g})\)TS EAMCET 2024 Easy
- The IUPAC name of the following compound is
TS EAMCET 2025 Medium - Which of the following substances show the highest colligative properties?TS EAMCET 2022 Easy
More PYQs from TS EAMCET
- If \(\frac{2 x+1}{(x-1)^2\left(x^2+1\right)}=\frac{A}{x-1}+\frac{B}{(x-1)^2}+\frac{C x+D}{x^2+1}\), then \(A+B+C+D=\)TS EAMCET 2020 Easy
- An ideal gas at \(127^{\circ} \mathrm{C}\) is compressed suddenly to \(\frac{8}{27}\) of its initial volume. If \(\gamma=\frac{5}{3}\) for an ideal gas, then rise in its temperature isTS EAMCET 2023 Medium
- The change in current through a junction diode is \(12 \mathrm{~mA}\) when the forward bias voltage is changed by \(0.6 \mathrm{~V}\). The dynamic resistance isTS EAMCET 2016 Easy
- If \(f: R \rightarrow R\) is an even function having derivatives of all orders, then an odd function among the following isTS EAMCET 2004 Easy
- In which group of the periodic table the element with \(Z=120\) be placed?TS EAMCET 2019 Easy
- \(\sum_{k=1}^{\infty} \frac{1}{k !}\left(\sum_{n=1}^k 2^{n-1}\right)\) is equal toTS EAMCET 2008 Medium