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Which graph represents auto catalysis?

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Important Questions on Surface Chemistry

EASY
An example for homogeneous catalysis is
HARD
Match the following.
List - I Reaction List - II Catalyst
(A) N2(g)+3H2(g)2NH3(g) (I) Ni
(B) 2H2(g)+O2(g)2H2O(l) (II) Pt
(C) CO(g)+3H2(g)CH4(g)+H2O(g) (III) ZnO-Cr2O3
(D) CO(g)+2H2(g)CH3OH(g) (IV) Fe

The correct answer is:

EASY
___ acts as a negative catalyst in the decomposition of H2O2.
EASY
In manufacturing of sulphuric acid in presence of platinum catalyst, which metal impurity acts as catalytic poison?
EASY
Which of the following is an example of homogeneous catalysis?
EASY
Which statement is incorrect for a catalyst?
EASY
Which of the following statements about enzymes is not correct?
HARD
For the reaction 2SO2( g)+O2( g)+NO(g)2SO3( g)+NO(g) the catalyst is
EASY
Which one of the following statements is incorrect about enzyme catalysis?
EASY
The role of a catalyst in a reversible reaction is
EASY
The catalyst for the oxidation of SO2 to SO3 in the manufacture of sulphuric acid by Contact process is
EASY
Match the catalysts (Column I) with products (Column II)
  Column I   Column II
  Catalyst   Product
A. V2O5 P. Polyethylene
B. TiCl4/AlMe3 Q. Ethanal
C. PdCl2 R. H2SO4
D. Iron Oxide S. NH3
MEDIUM
The catalyst used in the hydrogenation of oil is
MEDIUM

Match List-I with List-II

  List-I (process)   List-II (catalyst)
(a) Deacon's process (i) ZSM-5
(b) Contact process (ii) CuCl2
(c) Cracking of hydrocarbons (iii)  Ni
(d) Hydrogenation of vegetable oils (iv) V2O5

Choose the most appropriate answer from the options given below-

HARD
Which property does NOT change on addition of a catalyst?
HARD
Ethanol is produced from glucose and fructose in the presence of enzyme
HARD
Which of the following is NOT CORRECT regarding enzyme catalysis?
EASY
Which of the following is a character of catalyst?
MEDIUM
In the reaction, H2O2aqI-aqH2Ol+12O2g iodide ion acts as:
MEDIUM
Which one of the following is an example for homogenous catalysis?