Surface Chemistry  MCQs

MCQs of Surface Chemistry

Showing 121 to 130 out of 203 Questions
121.
Inversion of sucrose is done in the presence of which catalyst ?
(a) NO(g)
(b) Au(s)
(c) H+(aq)
(d) ZnO - CrO3(s)
Answer:

Option (c)

122.
Which of the following catalysts is used in production H2SO4 contact process ?
(a) Raney nickel
(b) Vanadium pentoxide
(c) Iron powder
(d) Cuprous oxide
Answer:

Option (b)

123.
Which catalyst is used in the production of ammonia by Haber’s process ?
(a) Raney nickel
(b) Vanadium pentoxide
(c) Iron powder
(d) Cuprous oxide
Answer:

Option (c)

124.
Name the catalyst used in the manufacture of acetic acid from methanol and carbon monoxide.
(a) Mo (VI) complex
(b) [Rh(CO)2I2]-
(c) Rh – Pd complex
(d) Ni – Pd complex
Answer:

Option (b)

125.
As we move from metals of group – 5 to group – 11, catalytic property _____ .
(a) gradually increases
(b) gradually decreases
(c) catalytic tendency ( property) remains constant
(d) activity of homogeneous catalysis gradually decreases
Answer:

Option (a)

126.
What is the product in the following reaction

COg + H2g  Copper ?

(a) Formic acid
(b) Methane
(c) Methanol
(d) Formaldehyde
Answer:

Option (d)

127.

COg + H2g  X HCHOg

What is [X] in the above reaction ?

(a) Ni
(b) Cu/ZnO
(c) Ni/CrO3
(d) Cu
Answer:

Option (d)

128.
Zeolite becomes porous when heated in vacuum. What are the dimensions of its pores ?
(a) 260 pm to 740 pm
(b) 0.26 nm to 0.74 nm
(c) 2.6 Å to 7.4 Å
(d) All of the above
Answer:

Option (d)

129.

E(Enzyme) + S(Substrate)  ES (Fast and reversible)

ES(Product)  E + P (Slow and rate determining)

Rate = K2ES = K2ESKm + S

In this reaction, if the concentration (proportion) of substrate is more, what is the order of reaction ?
(a) 1
(b) 2
(c) 3
(d) zero
Answer:

Option (a)

130.
Which of the following is the biochemical reaction using urease enzyme ?
(a) Digestion of lipid
(b) Digestion of starch
(c) Hydrolysis of urea
(d) Hydrolysis maltose
Answer:

Option (c)

Showing 121 to 130 out of 203 Questions