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Introductory Chemistry: A Foundati...

9th Edition
Steven S. Zumdahl + 1 other
ISBN: 9781337399425

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BuyFindarrow_forward

Introductory Chemistry: A Foundati...

9th Edition
Steven S. Zumdahl + 1 other
ISBN: 9781337399425
Textbook Problem
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Consider the following molecules: CH 3 OH ,  CH 4 ,  H 2 O ,  C 2 H 6 .

Draw the Lewis structure for each molecule, and indicate whether each is polar of nonpolar.

At mum temperature, two of these compounds exist as a liquid, and two of these compounds exist as a gas. State which two compounds are liquids at room temperature and which two are gases. Be sure to justify your answer completely. Include discussions of intermolecular forms in your response.

Rank the compounds from lowest to highest boiling point. Justify your answer.

Interpretation Introduction

(a)

Interpretation:

The structures of the four given molecules must be drawn indicating whether those are polar or non polar.

Concept Introduction:

Lewis structure is the representation of molecules showing the electron dots present in each atom.

A polar molecule has non zero bond moments whereas a non polar molecule has zero bond moments.

Explanation

Lewis structures of all the given molecule are drawn and the polarity is mentioned in bracket. Methanol and water are polar molecule...

Interpretation Introduction

(b)

Interpretation:

Which two molecules are liquid and which two are gases as room temperature must be predicted along with proper explanation.

Concept Introduction:

For liquids intermolecular forces are stronger as compared to gases.

Interpretation Introduction

(c)

Interpretation:

The given compounds must be ranked from lowest to highest boiling point with proper justification.

Concept Introduction:

Molecules having stronger intermolecular forces show higher boiling points.

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