Explore topic-wise MCQs in Unit Processes.

This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Unit Processes knowledge and support exam preparation. Choose a topic below to get started.

1.

What happens to aliphatic hydrocarbons when C-atom in straight chain increases?

A. Decreases
B. Increases
C. No change
D. None of the mentioned
Answer» C. No change
2.

Oxidation of natural gas produce what?

A. Formaldehyde
B. Acetaldehyde
C. Methanol
D. All of the mentioned
Answer» E.
3.

With such relatively mild catalysts as copper oxide and glass surfaces, some high yields of formaldehyde have been obtained.

A. True
B. False
Answer» B. False
4.

The higher-molecular-weight aliphatic hydrocarbons, oxidizing ______ readily. Fill in the blank.

A. More
B. Less
C. Moderately
D. None of the mentioned
Answer» B. Less
5.

Catalytic vapour-phase oxidation of the unsaturated alcohols produces which type of yield?

A. High
B. Low
C. Moderate
D. None of the mentioned
Answer» B. Low
6.

Catalytic dehydrogenation of methyl vinyl carbinol produces what?

A. Methyl ketone
B. Methyl vinyl aldehyde
C. Ethyl vinyl ketone
D. Methyl vinyl ketone
Answer» E.
7.

The direct oxidation of ethanol to acetic acid in a continuous catalytic vapour-phase process is more difficult.

A. True
B. False
Answer» B. False
8.

Ethanol is oxidized to produce what?

A. Phenol
B. Alcohol
C. Carboxylic acid
D. Acetaldehyde
Answer» E.
9.

Which type of reaction is oxidation of methanol?

A. Exothermic
B. Endothermic
C. Neutral
D. None of the mentioned
Answer» C. Neutral
10.

Methanol decomposes to form hydrogen and which is the other product?

A. Carbon monoxide
B. Carbon dioxide
C. Carbon
D. None of the mentioned
Answer» B. Carbon dioxide
11.

For vapour phase oxidation low pressure is required.

A. True
B. False
Answer» C.