Match the catalysts (Column I ) with products (Column II ) Column I Column II Catalyst Product A. V 2 O 5 P. Polyethylene B. T i C l 4 / A l M e 3 Q. Ethanal C. P d C l 2 R. H 2 S O 4 D. Iron Oxide S. N H 3

( A ) - ( R ) ; ( B ) - ( P ) ; ( C ) - ( Q ) ; ( D ) - ( S )

( A ) - ( S ) ; ( B ) - ( R ) ; ( C ) - ( Q ) ; ( D ) - ( P )

( A ) - ( R ) ; ( B ) - ( S ) ; ( C ) - ( P ) ; ( D ) - ( Q )

( A ) - ( Q ) ; ( B ) - ( R ) ; ( C ) - ( P ) ; ( D ) - ( S )

Match 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 2 O 5 Choose the most appropriate answer from the options given below-

a - ii , b - iv , c - i , d - iii

a - i , b - ii , c - ii , d - iv

a - iii , b - i , c - iv , d - ii

a - iv , b - ii , c - i , d - iii

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What is positive catalysis?

Important Questions on Surface Chemistry

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Chemistry>Physical Chemistry>Surface Chemistry>Catalysis

In the reaction,

H_{2} O_{2} (aq) \overset{I^{-} (aq)}{\to} H_{2} O (l) + \frac{1}{2} O_{2} (g)

iodide ion acts as:

EASY

Chemistry>Physical Chemistry>Surface Chemistry>Catalysis

The following reaction can be accelerated in the presence of_____component

2 {KClO}_{3} \to 2 KCl + 3 O_{2}

EASY

Chemistry>Physical Chemistry>Surface Chemistry>Catalysis

Match the catalysts (Column

I

) with products (Column

II

)

	Column I		Column II
	Catalyst		Product
A.	$V_{2} O_{5}$	P.	Polyethylene
B.	$T i C l_{4} / A l {(M e)}_{3}$	Q.	Ethanal
C.	$P d C l_{2}$	R.	$H_{2} S O_{4}$
D.	Iron Oxide	S.	$N H_{3}$

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Match 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)	$V_{2} O_{5}$

Choose the most appropriate answer from the options given below-

EASY

Chemistry>Physical Chemistry>Surface Chemistry>Catalysis

What is autocatalysis?

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Chemistry>Physical Chemistry>Surface Chemistry>Catalysis

Which of the following statements about enzymes is not correct?

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Chemistry>Physical Chemistry>Surface Chemistry>Catalysis

The correct reaction profile diagram for a positive catalyst reaction.

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Chemistry>Physical Chemistry>Surface Chemistry>Catalysis

Give reasons for the following: Catalyst is more effective as powdered state

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Chemistry>Physical Chemistry>Surface Chemistry>Catalysis

What are catalytic promoters? Give one example.

EASY

Chemistry>Physical Chemistry>Surface Chemistry>Catalysis

In Haber’s process of ammonia synthesis, presence of traces of

H_{2} S

retards the rate of the reaction. Why?

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Chemistry>Physical Chemistry>Surface Chemistry>Catalysis

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

EASY

Chemistry>Physical Chemistry>Surface Chemistry>Catalysis

In manufacturing of sulphuric acid in presence of platinum catalyst, which metal impurity acts as catalytic poison?

EASY

Chemistry>Physical Chemistry>Surface Chemistry>Catalysis

Which of the following is a character of catalyst?

EASY

Chemistry>Physical Chemistry>Surface Chemistry>Catalysis

Which of the following is an example of homogeneous catalysis?

EASY

Chemistry>Physical Chemistry>Surface Chemistry>Catalysis

An example for homogeneous catalysis is

EASY

Chemistry>Physical Chemistry>Surface Chemistry>Catalysis

The substances that enhance the activity of a catalyst, are called

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Write short notes on Catalytic poison. Give example.

EASY

Chemistry>Physical Chemistry>Surface Chemistry>Catalysis

___ acts as a negative catalyst in the decomposition of

H_{2} O_{2}

HARD

Chemistry>Physical Chemistry>Surface Chemistry>Catalysis

When one reaction influences the rate of other reaction, which does not occur under ordinary conditions, then this phenomenon is

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Chemistry>Physical Chemistry>Surface Chemistry>Catalysis

What is the work of catalyst promoter and catalyst inhibitor?

What is positive catalysis?

Important Questions on Surface Chemistry

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