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Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
ISBN: 9781337399074

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BuyFindarrow_forward

Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
ISBN: 9781337399074
Textbook Problem

Molecules in space:

  1. (a) In addition to molecules such as CO, HCl, H2O, and NH3, glycolaldehyde has been detected in outer space. Is the molecule polar?

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  1. (b) Where do the positive and negative charges lie in the molecule?
  2. (c) One molecule found in the 1995 Hale-Bopp comet is HC3N. Suggest a structure for this molecule.

(a)

Interpretation Introduction

Interpretation:

The molecule, glycolaldehyde is polar or not has to be identified.

Concept Introduction:

Electronegativity: It is defined as the capacity of the atom to abstract the pair of electrons towards itself results to have high negative charge.

Polar molecule: The molecule with atoms bonded with different electronegativity. Dipole moment is used to measure the polarity of the molecule.

Polarity of a molecule is measured in term of dipole moment.

Dipole moment for a polar molecule is non-zero and for a non-polar molecule dipole moment is zero.

Explanation

Glycolaldehyde is polar in nature since both contain oxygen atom with it which is more electronegative in nature abstract...

(b)

Interpretation Introduction

Interpretation:

The location of positive and negative charge in glycolaldehyde has to be identified.

Concept Introduction:

Electronegativity: It is defined as the capacity of the atom to abstract the pair of electrons towards itself results to have high negative charge.

Polar molecule: The molecule with atoms bonded with different electronegativity. Dipole moment is used to measure the polarity of the molecule.

Polarity of a molecule is measured in term of dipole moment.

Dipole moment for a polar molecule is non-zero and for a non-polar molecule dipole moment is zero.

(c)

Interpretation Introduction

Interpretation:

Structure of a molecule that had found in 1995 Hale-Bopp comet is HC3N, has to be identified.

Concept Introduction:

Electronegativity: It is defined as the capacity of the atom to abstract the pair of electrons towards itself results to have high negative charge.

Polar molecule: The molecule with atoms bonded with different electronegativity. Dipole moment is used to measure the polarity of the molecule.

Polarity of a molecule is measured in term of dipole moment.

Dipole moment for a polar molecule is non-zero and for a non-polar molecule dipole moment is zero.

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