Homogeneous Catalysis

Q.

What is homogeneous catalysis with examples?

Q. ChI3 forms { } with Ag

Q.

A substance in solution is indicated in a chemical equation by the symbol (s).

1. True
2. False

Q. Which of the following reactions is an example for homogeneous catalysis :

1. $2H_2{O}_2\left(l\right)\stackrel{Mn{O}_2\left(s\right)}{\to }2H_{2}O\left(l\right)+O_2\left(g\right)$
2. $2CO\left(g\right)+O_2\left(g\right)\stackrel{NO\left(g\right)}{\to }2C{O}_2\left(g\right)$
3. $2S{O}_2\left(g\right)+O_2\left(g\right)\stackrel{V_2{O}_5\left(s\right)}{\to }2S{O}_3\left(g\right)$
4. $H_2\left(g\right)+C_2{H}_4\left(g\right)\stackrel{Ni\left(s\right)}{\to }{C}_2{H}_6\left(g\right)$

Q.

An example of homogeneous catalysis is:

1. Contact process

2. Haber’s process

3. Lead chamber process

4. Hydrogenation of oils

Q. Which of the following is an example of homogeneous catalysis?

1. Hydrogenation of oil 
2. Manufacture of ammonia by Haber's process
3. Manufacture of sulphuric acid by Contact process
4. Hydrolysis of sucrose in presence of dilute hydrochloric acid

Q. Classify into alkanes, alkenes and alkynes :

Q. The reaction in which reactants and the catalyst have one phase is _________ .
1. heterogeneous catalysis
2. homogeneous catalysis
3. solid state catalysis
4. solution catalysis

Q. Which one of the followings is/are an example of homogeneous catalysis?

1. Formation of $S{O}_3$ in the chamber process.
2. Formation of $S{O}_3$ in the contact process.
3. Hydrolysis of an ester in the presence of acid.
4. Decomposition of $KCl{O}_3$ in the presence of $Mn{O}_2$.

Q. A catalytic reaction involving two gaseous reactants is homogeneous reaction.

Q. Which one of the following is an example for homogenous catalysis?

1. Manufacture of sulphuric acid by Contact process
2. Hydrolysis of sucrose in presence of dilute hydrochloric acid
3. Hydrogention of oil
4. Manufacture of ammonia by Haber's process

Q. Protons accelerate the hydrolysis of esters. This is an example of a/an:

1. promoter
2. homogeneous catalyst
3. acid-base catalyst
4. autocatalyst

Q. Assertion :In the reaction, $C_{12}{H}_{22}{O}_{11}\left(aq\right)+H_{2}O\left(l\right)\stackrel{dil{H}_{2}S{O}_4}{⟶}{C}_6{H}_{12}{O}_6\left(aq\right)+C_6{H}_{12}{O}_6\left(aq\right),H_{2}S{O}_4$ is called as a homogeneous catalyst. Reason: $H_{2}S{O}_4$ is in the same phase as the reactants and products.

1. Both Assertion and Reason are correct and Reason is the correct explanation of Assertion.
2. Both Assertion and Reason are correct, but Reason is not the correct explanation of Assertion.
3. Assertion is correct, but Reason is incorrect.
4. Assertion is incorrect, but Reason is correct.

Q. If the reactant and the products are in same phase, then the catalyst of the reaction is called a homogenous catalyst.

1. True
2. False

Q. Which one of the following is not the example of homogeneous catalysis?

1. Formation of $S{O}_3$ in the chamber process
2. Formation of $S{O}_3$ in the contact process
3. Hydrolysis of an ester in presence of acid
4. Decomposition of $KCl{O}_3$ in the presence of $Mn{O}_2$

Q. Which of the following is an example of heterogeneous catalysis?

1. $4N{H}_{3\left(g\right)}$ + 5$O_{2\left(g\right)}$ $\stackrel{P{t}_{\left(s\right)}}{\to }$
2. $2S{O}_2$ + $O_2$ $\stackrel{N{O}_{\left(g\right)}}{\to }2S{O}_3$
3. $C{H}_{3}COOC{H}_{3\left(l\right)}$ + $H_{2}O$ $\stackrel{HC{l}_{\left(aq\right)}}{\to }$ $C{H}_{3}COOH$ + $C{H}_{3}OH$
4. $C_{12}{H}_{22}{O}_{11}$ + $H_{2}O$ $\stackrel{H_{2}S{O}_4}{\to }$ $C_6{H}_{12}{O}_6$ +$C_6{H}_{12}{O}_6$

Q.

An example of homogeneous catalysis is:

1. Haber’s process

2. Hydrogenation of oils

3. Contact process

4. Lead chamber process

Q.

1. True
2. False

Q. The homogeneous catalysts is shown by:

1. Haber's process, $N_2+3H_2\underset{}{\overset{Fe}{\to }}2{NH}_3$
2. Ostwald process, $4{NH}_3+5O_2\underset{}{\overset{Pt}{\to }}4NO+6H_{2}O$
3. Contact process, $2S{O}_2+O_2\underset{}{\overset{V_2{O}_5}{\to }}2S{O}_3$
4. $2C_2{H}_{5}OH\underset{}{\overset{H_2{SO}_4}{\to }}{C}_2{H}_5-O-C_2{H}_5+H_{2}O$

Q. $\underset{Sucrose}{C_{12}{H}_{22}{O}_{11}+H_{2}O}+H_{2}O\stackrel{dil.H_{2}S{O}_4}{⟶}\underset{Fructose}{C_6{H}_{12}{O}_6\left(aq\right)}+\underset{Glucose}{C_6{H}_{12}{O}_6\left(aq\right)}$

1. Homogeneous catalyst
2. Homogeneous catalyst
3. Homogeneous catalysis
4. Homogeneous catalysis

Q. How does ozone react with FeSO4

Q. Which of the following processes does not occur at the interface of phases?

1. Crystallisation
2. Heterogeneous catalysis
3. Homogeneous catalysis
4. Corrosion

Q. Which one of the following is an example of homogeneous catalysis?

1. Haber's process of synthesis of ammonia
2. Catalytic conversion of $S{O}_2$ to $S{O}_3$ in Contact process
3. Catalytic hydrogenation of oils
4. Acid hydrolysis of methyl acetate

Q. Amongst the following chemical reactions, the one representing homogeneous catalysis is

1. $N_2\left(g\right)+3H_2\left(g\right)\stackrel{Fe}{\to }2N{H}_3\left(g\right)$
2. $2S{O}_2\left(g\right)+O_2\left(g\right)\stackrel{2NO}{⟶}2S{O}_3\left(g\right)+2NO\left(g\right)$
3. $CO\left(g\right)+3H_2\left(g\right)\stackrel{Ni}{\to }C{H}_4\left(g\right)+H_{2}O$
4. $2S{O}_2\left(g\right)+O_2\left(g\right)\stackrel{V_2{O}_5}{\to }2S{O}_3\left(g\right)$

Q. In homogeneous catalysis, the reactants, products and catalyst should be in the ___

Q. Which of the following is an example of homogeneous catalysis?

1. Manufacture of sulphuric acid by Contact process
2. Hydrogenation of oil 
3. Manufacture of ammonia by Haber's process
4. Hydrolysis of sucrose in presence of dilute hydrochloric acid

Q. The reaction
$2S{O}_2\left(g\right)+O_2\stackrel{NO\left(g\right)}{\to }2S{O}_3\left(g\right)$

1. Heterogeneous catalysis
2. Enzyme catalysis
3. None of them
4. Homogegenous catalysis