List of top Chemistry Questions on Catalysis

The variation of the rate of an enzyme catalyzed reaction with substrate concentration is correctly represented by graph

The graph of $\log \frac{x}{m}$ vs $\log p$ for an adsorption process is a straight line inclined at an angle of $45^{\circ}$ with intercept equal to $0.6020$ The mass of gas adsorbed per unit mass of adsorbent at the pressure of $04 \,atm$ is______ $\times 10^{-1}$ (Nearest integer)
Given: $\log 2=0.3010$

Some drugs bind to a site other than, theactive site of an enzyme This site is knownas

Given below are two statements.
Statement I: Iron (III) catalyst, acidified \(K_2Cr_2O_7\) and neutral \(KMnO_4\) have the ability to oxidise \(I^–\) to \(I_2\) independently.
Statement II: Manganate ion is paramagnetic in nature and involves \(pπ – pπ\) bonding.
In the light of the above statements, choose the correct answer from the options given below.

Some drugs bind to a site other than the active site of an enzyme. This site is known as

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	$Fe ( s )$
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	$V _2 O _5$
D	Vegetable oil $(l)+ H _2 \rightarrow$Vegetable ghee(s	IV	$Ni ( s )$

Choose the correct answer from the options given below:

In the phenomenon, in which a substance formed in the course of a reaction itself act as a catalyst is called

The temperature coefficient of a reaction is 2. When the temperature is increased from $30^{\circ} C$ to $90^{\circ}C$, the rate of reaction is increased by

Reactions in zeolite catalyst depend on,

Which one of the following reactions is an example of auto-catalysis?

The decomposition of hydrogen peroxide can be slowed by the addition of acetamide. The latter acts as a

${HOOC - (CH_2)_4 - COOH + 2C_2H_5OH ->[H_2SO_4][Toluene] C_2H_5OOC -CH_2 - COOC H_5}$ The purpose of using toluene here is

Role of enzyme in reactions is to/as

Traces of molybdenum are used with finely divided iron which acts as a catalyst during Haber?? process for synthesis of ammonia. The molybdenum

Substances whose solutions can readily diffuse through parchment membrane are

The efficiency of enzyme catalysis is due to its capacity to