Question 1

Which hybridisation state is found in the carbon atom of methane ($$\mathrm{CH_4$}$$)?

Accepted Answer

$$\mathrm{sp^3$}$$

Question 2

Ibuprofen contains a carboxylic acid functional group. What is the hybridisation of the oxygen atom in the carbonyl group of this carboxylic acid?

Accepted Answer

$$\mathrm{sp^2$}$$

Question 3

Which of the following statements best describes the difference between saturated and unsaturated carbon atoms?

Accepted Answer

Saturated carbons have only single bonds, while unsaturated carbons have at least one double or triple bond.

Question 4

What is the bond angle expected for a carbon atom with $$\mathrm{sp^2$}$$ hybridisation?

Accepted Answer

$$120^\circ$$

Question 5

Which functional group contains a nitrogen atom with $$\mathrm{sp}$$ hybridisation?

Accepted Answer

Nitrile

Question 6

A molecule of ethyne ($$\mathrm{C_2H_2}) is $$used in welding. What is the hybridisation of the carbon atoms in ethyne?

Accepted Answer

$$\mathrm{sp}$$

Question 7

Which of the following best describes the process of hydrogenation of ethene ($$\mathrm{C_2H_4}$$)?

Accepted Answer

Hydrogen is added across the double bond, converting it to a single bond.

Question 8

Which hybridisation state is found in the oxygen atom of an alcohol functional group?

Accepted Answer

$$\mathrm{sp^3$}$$

Question 9

Which of the following is NOT a common heteroatom found in organic functional groups?

Accepted Answer

Carbon (C)

Question 10

A molecule contains a carbon atom with two single bonds and one double bond. What is the hybridisation state of this carbon atom?

Accepted Answer

$$\mathrm{sp^2$}$$

Question 11

Which of the following statements about the electronic configuration of carbon is correct?

Accepted Answer

Carbon has an electronic configuration of $$1s^2$$ $$2s^2$$ $$2p^2.$$

Question 12

Which hybridisation state is associated with a bond angle of $$180^\circ$$?

Accepted Answer

$$\mathrm{sp}$$

Question 13

Which of the following molecules is most likely to be aromatic?

Accepted Answer

Benzene

Question 14

Which of the following is a plausible consequence of missing tutorials in CHE-4101B?

Accepted Answer

Lower coursework and exam marks due to lack of engagement.

Question 15

Which hybridisation state is found in the carbon atom of ethane ($$\mathrm{C_2H_6}$$)?

Accepted Answer

$$\mathrm{sp^3$}$$

Question 16

Which of the following best describes the role of palladium on carbon in organic chemistry?

Accepted Answer

It catalyzes the addition of hydrogen across double bonds.

Question 17

Which of the following functional groups is most likely to be found in amino acids?

Accepted Answer

Carboxylic acid

Question 18

A carbon atom is the center of a radical. How many bonds does it typically form?

Accepted Answer

Three

Question 19

Which of the following is a real-world application of organic chemistry discussed in the course?

Accepted Answer

OLEDs (organic light-emitting diodes)

Question 20

Which hybridisation state is found in the nitrogen atom of a nitrile group?

Accepted Answer

$$\mathrm{sp}$$

Introduction to Organic Chemistry: Structure, Hybridisation, and Functional Groups

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