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.

For which alkylating agent high temperature is needed?

A. Methanol
B. Ethyl alcohol
C. Alkyl halides
D. All of the mentioned
Answer» E.
Discussion
2.

FOR_WHICH_ALKYLATING_AGENT_HIGH_TEMPERATURE_IS_NEEDED??$

A. Methanol
B. Ethyl alcohol
C. Alkyl halides
D. All of the mentioned
Answer» E.
Discussion
3.

Why do we need to dilute energetic alkylating agents?

A. Fast reaction
B. Control reaction
C. High temperature
D. All of the mentioned
Answer» C. High temperature
Discussion
4.

What happens when high temperatures used in thermal alkylation?

A. Cracking
B. Dehydrogenation
C. Isomerization
D. All of the mentioned
Answer» E.
Discussion
5.

Paraffins can be alkylated at what temperature?

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

Polymerization can be minimized by using large excesses of isoparaffins.

A. True
B. False
Answer» B. False
Discussion
7.

What side reactions occur during the catalytic alkylation of isoparaffins?

A. Polymerization
B. Isomerization
C. Hydrogen transfer
D. All of the mentioned
Answer» E.
Discussion
8.

What is the role of hydrogen chloride when used with aluminium chloride?

A. Increase basicity
B. Decreases acidity
C. Increase acidity
D. None of the mentioned
Answer» D. None of the mentioned
Discussion
9.

Which catalyst is/are used when aromatic hydrocarbons are alkylated with olefins?

A. Protonic acid
B. Anionic acid
C. Both protonic and anionic acid
D. None of the mentioned
Answer» B. Anionic acid
Discussion
10.

Carbon alkylations are generally endothermic.

A. True
B. False
Answer» C.
Discussion
11.

Which one of the following is a physical property?

A. Heat of formation
B. Vapour pressure
C. Heat of vaporization
D. All of the mentioned
Answer» C. Heat of vaporization
Discussion