Haloalkanes and Haloarenes Quiz

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Questions and Answers

What is the result of replacing hydrogen atom(s) in an aliphatic hydrocarbon by halogen atom(s)?

Formation of alcohol
Formation of alkene
Formation of alkyl halide (haloalkane) (correct)
Formation of aryl halide (haloarene)

Where are halogen atom(s) attached in haloarenes?

To sp3 hybridised carbon atom of an alkyl group
To the benzene ring
To the side chains of the benzene ring
To sp2 hybridised carbon atom(s) of an aryl group (correct)

What do haloalkanes and haloarenes find wide applications as?

Starting materials for the synthesis of organic compounds
Solvents for relatively non-polar compounds
Both a and b (correct)
Solvents for polar compounds

Why do halogenated compounds persist in the environment?

<p>Due to their resistance to breakdown by soil bacteria (A)</p> Signup and view all the answers

What is the difference in the hybridization of carbon atoms in haloalkanes and haloarenes?

<p>Haloalkanes have sp3 hybridised carbon atoms, while haloarenes have sp2 hybridised carbon atoms (B)</p> Signup and view all the answers

Flashcards

Alkyl halide

A compound formed through the replacement of one or more hydrogen atoms in an aliphatic hydrocarbon with halogen atoms.

Haloarene

These compounds consist of a halogen atom directly attached to a carbon atom that is part of an aromatic ring.

Why do haloalkanes and haloarenes persist in the environment?

The reason these compounds persist in the environment is their resistance to being broken down by microorganisms like bacteria.

Hybridization of carbon atoms in haloalkanes and haloarenes

Carbon atoms in haloalkanes are sp3 hybridized, while those in haloarenes are sp2 hybridized. This difference results from the bonding arrangement in these molecules.

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Difference between haloalkanes and haloarenes

In haloalkanes, the halogen atom is directly attached to a saturated carbon, while in haloarenes, the halogen atom is attached to a sp2 hybridized carbon atom in the aromatic ring.

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