MCQ
The catalyst used in the contact process is
- A$Fe_2O_3$
- ✓$V_2O_5$
- C$SO_3$
- D$Ag_2O$
✓
Answer
Correct option: B.
$V_2O_5$
b
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Product $(X)$ is
→Point out the wrong statement :For a first order reaction
In which of the following pairs both the complexes show optical isomerism
In esterification, $O{H^ - }$ ion for making ${H_2}O$ comes from
→Phenyl isocyanides are prepared from which of the following reactions
For a certain reaction : $(A)(g) \to B(g)$ Half life for different initial pressures of $A$ is given below
→$\begin{array}{|l|l|l|} \hline {P_{{A_0}}}(atm) & 0.1 & 0.025 \\ \hline {t_{1/2}}(\sec\,\,) & 100 & 50 \\ \hline \end{array}$
The correct statement about order of reaction is
In most cases, for a rise of $10\,K$ temperature the rate constant is doubled to tripled. This is due to the reason that
→Which of the following does not exhibit paramagnetic characteristics? (Atomic numbers $Ti =22 ; Fe =26$; $Cr =24 ; Cu =29$ )
→In the given reaction $'A'$ is
→$\left( A \right)\xrightarrow{{\operatorname{Re}duction}}\left( B \right)\xrightarrow{{HN{O_2}}}{C_2}{H_5}OH$
Which of the following $0.10\,m$ aqueous solution will have the lowest freezing point
→