From the given models, the model representing acid and base has to be identified Though the formula units of given models are similar they differ in their properties has to be explained. Concept Information: The strength of oxoacids can be determined based on the following factors: Electronegativity of the central atom Oxidation number of the central atom Polarity of bond Bond enthalpy Bond strength Factors determining strength of oxoacids: The polarity and bond strength determines the strength of acids. Polarity depends on the electronegativities of the atoms involved in bonding. Higher electronegativity leads to higher polarity. Higher the polarity, stronger will be the acid. Stronger the bond strength, weaker will be the acid. The strength of acids having the same central atom but differ in the number of attached oxygen atom depends on the oxidation number of the central atom Higher the oxidation number of the central atom, the stronger the acid is. Lower oxidation number of the central atom, results in weaker acid

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Chapter 16.2, Problem 3PPC

Interpretation Introduction

Interpretation:

From the given models, the model representing acid and base has to be identified

Though the formula units of given models are similar they differ in their properties has to be explained.

Concept Information:

The strength of oxoacids can be determined based on the following factors:

Electronegativity of the central atom

Oxidation number of the central atom

Polarity of bond

Bond enthalpy

Bond strength

Factors determining strength of oxoacids:

The polarity and bond strength determines the strength of acids.
Polarity depends on the electronegativities of the atoms involved in bonding. Higher electronegativity leads to higher polarity.

Higher the polarity, stronger will be the acid.

Stronger the bond strength, weaker will be the acid.

The strength of acids having the same central atom but differ in the number of attached oxygen atom depends on the oxidation number of the central atom

Higher the oxidation number of the central atom, the stronger the acid is.

Lower oxidation number of the central atom, results in weaker acid

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