Question

which of the following statements regarding cycloalkanes is wrong?​

Answer 1

Answer:

No statements are given. please provide the statements first.

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Answer 2

Question:

Which of the following statements regarding cycloalkanes is wrong?

1. Any disubstituted cycloalkane can have cis-trans isomers.
2. The planar form of any cycloalkane with a ring larger than cyclopropane will not be the most stable conformation.
3. Cyclopentane is non planar to avoid the torsional strain between adjacent C-H bonds.
4. The least strained form of any unsubstituted cycloalkane is the chair conformation of cyclohexane.

Answer:

The correct answer is option (1).

The wrong statement regarding cycloalkanes is any disubstituted cycloalkane can have cis-trans isomer.

Explanation:

• Disubstituted means the same carbon have two substituents.  Therefore if two substituents are present on the same carbon There is no cis-trans isomer forms.
• Perfect tetrahedral bond angle was not present on the cycloalkanes.
• Cycloalkanes comes under the alkane categorey and also it contains one or more carbon atom rings.
• The planar form of any cycloalkane with a ring larger than cyclopropane will not be the most stable conformation.
• They have the physical properties which are similar to that of alkanes. But they have higher melting point, boiling point and higher density.
• These are mainly due to greater London force of the molecules.
• For the ring formation, carbon-carbon bond is formed so they have fewer hydrogen atoms when compared to alkanes.
• These cycloalkanes are mostly used in fuels like natural gas, kerosene, and also used in heavy oils.

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