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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

In Section 12.10 of your text, the term “effective pairs" is used. What does this mean?

Interpretation Introduction

Interpretation:

The meaning of “effective pairs” that is mentioned in section 12.10 of the text is to be stated.

Concept Introduction:

The VSEPR model is based on an important assumption according to which, “In a molecule, the surrounding atoms and electrons should arranged in way that the central atom should feel minimum repulsion from all of them”. The shape in VSEPR model gives specific angles for the corresponding shapes.

Explanation

The meaning of effective pair corresponds to those electron pairs which are responsible for minimizing the repulsion and forms the exact geometry or shape of a molecule. According to VSEPR theory, the multiple bonds like double bond or triple bond are considered as the single electron pair or single bond. For example, in case of carbon dioxide, there are two double bonds present that means there are total four bond pairs in CO2 but it occupies only two places in which electrons are present as shown below

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Ch-12 P-3ALQCh-12 P-4ALQCh-12 P-5ALQCh-12 P-6ALQCh-12 P-7ALQCh-12 P-8ALQCh-12 P-9ALQCh-12 P-10ALQCh-12 P-11ALQCh-12 P-12ALQCh-12 P-13ALQCh-12 P-14ALQCh-12 P-15ALQCh-12 P-16ALQCh-12 P-17ALQCh-12 P-18ALQCh-12 P-19ALQCh-12 P-20ALQCh-12 P-21ALQCh-12 P-22ALQCh-12 P-1QAPCh-12 P-2QAPCh-12 P-3QAPCh-12 P-4QAPCh-12 P-5QAPCh-12 P-6QAPCh-12 P-7QAPCh-12 P-8QAPCh-12 P-9QAPCh-12 P-10QAPCh-12 P-11QAPCh-12 P-12QAPCh-12 P-13QAPCh-12 P-14QAPCh-12 P-15QAPCh-12 P-16QAPCh-12 P-17QAPCh-12 P-18QAPCh-12 P-19QAPCh-12 P-20QAPCh-12 P-21QAPCh-12 P-22QAPCh-12 P-23QAPCh-12 P-24QAPCh-12 P-25QAPCh-12 P-26QAPCh-12 P-27QAPCh-12 P-28QAPCh-12 P-29QAPCh-12 P-30QAPCh-12 P-31QAPCh-12 P-32QAPCh-12 P-33QAPCh-12 P-34QAPCh-12 P-35QAPCh-12 P-36QAPCh-12 P-37QAPCh-12 P-38QAPCh-12 P-39QAPCh-12 P-40QAPCh-12 P-41QAPCh-12 P-42QAPCh-12 P-43QAPCh-12 P-44QAPCh-12 P-45QAPCh-12 P-46QAPCh-12 P-47QAPCh-12 P-48QAPCh-12 P-49QAPCh-12 P-50QAPCh-12 P-51QAPCh-12 P-52QAPCh-12 P-53QAPCh-12 P-54QAPCh-12 P-55QAPCh-12 P-56QAPCh-12 P-57QAPCh-12 P-58QAPCh-12 P-59QAPCh-12 P-60QAPCh-12 P-61QAPCh-12 P-62QAPCh-12 P-63QAPCh-12 P-64QAPCh-12 P-65QAPCh-12 P-66QAPCh-12 P-67QAPCh-12 P-68QAPCh-12 P-69QAPCh-12 P-70QAPCh-12 P-71QAPCh-12 P-72QAPCh-12 P-73QAPCh-12 P-74QAPCh-12 P-75QAPCh-12 P-76QAPCh-12 P-77QAPCh-12 P-78QAPCh-12 P-79QAPCh-12 P-80QAPCh-12 P-81QAPCh-12 P-82QAPCh-12 P-83QAPCh-12 P-84QAPCh-12 P-85QAPCh-12 P-86QAPCh-12 P-87QAPCh-12 P-88QAPCh-12 P-89APCh-12 P-90APCh-12 P-91APCh-12 P-92APCh-12 P-93APCh-12 P-94APCh-12 P-95APCh-12 P-96APCh-12 P-97APCh-12 P-98APCh-12 P-99APCh-12 P-100APCh-12 P-101APCh-12 P-102APCh-12 P-103APCh-12 P-104APCh-12 P-105APCh-12 P-106APCh-12 P-107APCh-12 P-108APCh-12 P-109APCh-12 P-110APCh-12 P-111APCh-12 P-112APCh-12 P-113APCh-12 P-114APCh-12 P-115APCh-12 P-116APCh-12 P-117APCh-12 P-118APCh-12 P-119APCh-12 P-120APCh-12 P-121APCh-12 P-122APCh-12 P-123CPCh-12 P-124CPCh-12 P-125CPCh-12 P-126CPCh-12 P-127CPCh-12 P-128CPCh-12 P-1CRCh-12 P-2CRCh-12 P-3CRCh-12 P-4CRCh-12 P-5CRCh-12 P-6CRCh-12 P-7CRCh-12 P-8CRCh-12 P-9CRCh-12 P-10CRCh-12 P-11CRCh-12 P-12CRCh-12 P-13CRCh-12 P-14CRCh-12 P-15CRCh-12 P-16CRCh-12 P-17CRCh-12 P-18CRCh-12 P-19CRCh-12 P-20CRCh-12 P-21CRCh-12 P-22CRCh-12 P-23CRCh-12 P-24CRCh-12 P-25CRCh-12 P-26CRCh-12 P-27CRCh-12 P-28CRCh-12 P-29CRCh-12 P-30CRCh-12 P-31CRCh-12 P-32CRCh-12 P-33CRCh-12 P-34CRCh-12 P-35CRCh-12 P-36CRCh-12 P-37CRCh-12 P-38CRCh-12 P-39CRCh-12 P-40CRCh-12 P-41CRCh-12 P-42CRCh-12 P-43CRCh-12 P-44CRCh-12 P-45CRCh-12 P-46CRCh-12 P-47CRCh-12 P-48CR

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