Choose the best explanation for why thesecompounds are all less than fifteen carbons.A) Aldehydes with longer alkyl chainsbecome increasingly nonpolar and the LDFare stronger than hydrogen bonding withethanol.B) Ethanol molecules will hydrogen bondwith the oxygen of the aldehydes. However,longer alkyl chains interrupt the ability ofthe aldehyde to hydrogen bond withethanol which decreases the solubility.C) Ethanol molecules will form strong LDFinteractions between the alkyl chains of thealdehydes and the alkyl groups of ethanol.The strong attractions cause the aldehydesto precipitate out of solution.D) When aldehydes chain length increases,the aldehydes have stronger intermolecularforce with the small ethanol solventmolecules than the ethanol-ethanolintermolecular force.

There are various type of intermolecular forces exist between the molecule such as hydrogen bonding…

Answered: hoose the ompounds

Science

Chemistry

hoose the ompounds

Organic Chemistry: A Guided Inquiry

2nd Edition

ISBN:9780618974122

Author:Andrei Straumanis

Publisher:Andrei Straumanis

Chapter16: Synthesis Workshop 1

Section: Chapter Questions

Problem 25CTQ

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Question

Choose the best explanation for why these
compounds are all less than fifteen carbons.
A) Aldehydes with longer alkyl chains
become increasingly nonpolar and the LDF
are stronger than hydrogen bonding with
ethanol.
B) Ethanol molecules will hydrogen bond
with the oxygen of the aldehydes. However,
longer alkyl chains interrupt the ability of
the aldehyde to hydrogen bond with
ethanol which decreases the solubility.
C) Ethanol molecules will form strong LDF
interactions between the alkyl chains of the
aldehydes and the alkyl groups of ethanol.
The strong attractions cause the aldehydes
to precipitate out of solution.
D) When aldehydes chain length increases,
the aldehydes have stronger intermolecular
force with the small ethanol solvent
molecules than the ethanol-ethanol
intermolecular force.

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