The name and structure of the product formed by the reaction of benzoic acid and 2-propanol should be given. Concept introduction: Ester: One − O R ' group is attached to the carbonyl carbon atom of the compound. It is represented as R C O O R ' . The hydrogen atom of − C O O H is replaced by an alkyl group. The IUPAC name for the esters is written by replcing the ‘e’ of alkanes from ‘oate’. Esterification reaction: Esters are prepared by the reaction of a carboxylic acid and an alcohol molecule with the elimination of water molecule. The addition of a strong acid such as H 2 SO 4 is used to increase the rate of reaction . Here, the − O H group is attached to the carbonyl carbon atom of the carboxylic acid is being replaced by − O R ' in the alcohol forming ester and water.

Question

A cylinder contains 12 L of water vapour at 150˚C and 5 atm. The temperature of the water vapour is raised to 175˚C, and the volume of the cylinder is reduced to 8.5 L. What is the final pressure of the gas in atmospheres? assume that the gas is ideal

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Question

Chapter 23, Problem 54PS

Interpretation Introduction

Interpretation: The name and structure of the product formed by the reaction of benzoic acid and 2-propanol should be given.

Concept introduction:

Ester: One −OR' group is attached to the carbonyl carbon atom of the compound. It is represented as RCOOR'. The hydrogen atom of −COOH is replaced by an alkyl group.

The IUPAC name for the esters is written by replcing the ‘e’ of alkanes from ‘oate’.

Esterification reaction: Esters are prepared by the reaction of a carboxylic acid and an alcohol molecule with the elimination of water molecule. The addition of a strong acid such as H2SO4 is used to increase the rate of reaction.

Here, the −OH group is attached to the carbonyl carbon atom of the carboxylic acid is being replaced by −OR' in the alcohol forming ester and water.

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