Assertion: $A$ catalyst is more effective in finely divided form.
Reason: Finely divided form has more surface area.
Reason: Finely divided form has more surface area.
- AIf both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.
- BIf both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion.
- CIf the Assertion is correct but Reason is incorrect.
- DIf both the Assertion and Reason are incorrect.
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Two percent of ethanol is added during the oxidation of chloroform to stop the formation of carbonyl chloride. In this reaction,ethanol acts as:
Difficult
View SolutionMatch List-$I$ with List-$II$.
List-$I$ (Process) List-$II$ (Catalyst) $a$. Deacon's process $i$. $ZSM-5$ $b$. Contact process $ii$. $CuCl_2$ $c$. Cracking of hydrocarbons $iii$. $Ni$ $d$. Hydrogenation of vegetable oils $iv$. $V_2O_5$
Choose the most appropriate answer from the options given below:
| List-$I$ (Process) | List-$II$ (Catalyst) |
|---|---|
| $a$. Deacon's process | $i$. $ZSM-5$ |
| $b$. Contact process | $ii$. $CuCl_2$ |
| $c$. Cracking of hydrocarbons | $iii$. $Ni$ |
| $d$. Hydrogenation of vegetable oils | $iv$. $V_2O_5$ |
Choose the most appropriate answer from the options given below:
Which statement is incorrect for a catalyst?
Hydrogenation of vegetable oils in the presence of finely divided $Ni$ as a catalyst. The reaction is:
What role does adsorption play in heterogeneous catalysis?
Difficult
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