Characterize EACH of the Three Given Statements as Being TRUE

question 49

Multiple Choice

Characterize EACH of the three given statements as being TRUE or FALSE and then indicate the collective true-false status of the statements using the choices: (1) A minimum of four carbon atoms is required in a cycloalkane.
(2) The molecules 2,4-dimethylpentane and 2,4-dimethylhexane are constitutional isomers.
(3) As a result of rotation about single bonds, all alkane molecules, except methane, can exist in an infinite number of conformations.

• A) All three statements are true.
• B) Two of the three statements are true.
• C) Only one of the statements is true.
• D) None of the statements is true.

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Definitions:

Cubozoans

Members of the class Cubozoa, a group of highly venomous box jellyfish known for their cube-shaped medusae and potent stings.

Nemerteans

The phylum of animals commonly known as ribbon worms; each has a proboscis (tubular feeding organ) for capturing prey.

Proboscis

A long projection originating from an animal's head, particularly in insects, that serves for either eating or detecting stimuli.

Spongocoel

The central cavity of a sponge.