(A) Brown's catalyst is a specific form of platinum catalyst,which is $Pt/PtO_2$ (platinum oxide). It is commonly used for the hydrogenation of unsatu

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(A) Brown's catalyst is a specific form of platinum catalyst,which is $Pt/PtO_2$ (platinum oxide). It is commonly used for the hydrogenation of unsaturated compounds.

Class 12 Chemistry Surface Chemistry Catalyst and Catalysis

Easy

Brown's catalyst is .....

A
$Pt/PtO$
B
$Pd/BaSO_4$
C
Nickel boride
D
None of these

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Surface Chemistry

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Catalyst and Catalysis

Zeolites are useful as catalysts in ........

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The process in which one of the products acts as a catalyst is known as:

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What is the role of $MnO_2$ in the decomposition reaction $2KClO_3 \to 2KCl + 3O_2$?

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Write down the use of $ZSM-5$.

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Match List-$I$ with List-$II$.

List-$I$ (Processes/Reactions) List-$II$ (Catalyst)

$A. 2 SO_{2(g)} + O_{2(g)} \rightarrow 2 SO_{3(g)}$ $I. V_{2}O_{5}$

$B. 4 NH_{3(g)} + 5 O_{2(g)} \rightarrow 4 NO_{(g)} + 6 H_{2}O_{(g)}$ $II. Pt_{(s)}-Rh_{(s)}$

$C. N_{2(g)} + 3 H_{2(g)} \rightarrow 2 NH_{3(g)}$ $III. Fe_{(s)}$

$D. \text{Vegetable oil}(l) + H_{2} \rightarrow \text{Vegetable ghee}(s)$ $IV. Ni_{(s)}$

Choose the correct answer from the options given below.

List-$I$ (Processes/Reactions)	List-$II$ (Catalyst)
$A. 2 SO_{2(g)} + O_{2(g)} \rightarrow 2 SO_{3(g)}$	$I. V_{2}O_{5}$
$B. 4 NH_{3(g)} + 5 O_{2(g)} \rightarrow 4 NO_{(g)} + 6 H_{2}O_{(g)}$	$II. Pt_{(s)}-Rh_{(s)}$
$C. N_{2(g)} + 3 H_{2(g)} \rightarrow 2 NH_{3(g)}$	$III. Fe_{(s)}$
$D. \text{Vegetable oil}(l) + H_{2} \rightarrow \text{Vegetable ghee}(s)$	$IV. Ni_{(s)}$