Whether the cis-trans isomers possible for CH 3 CH 2 CH=CHCH 2 CH 3 or not is to be determined. If isomers are possible then the IUPAC name of the isomers is to be determined if not then IUPAC name of the compound is to be named. Concept introduction: The structural formula of a compound represents the molecular structure along with the atom connectivity and bonding arrangement. Alkene contains a double bond between two carbons atoms whereas alkynes have a triple bond. Alkenes the general formula is C n H 2 n , while the alkyne general formula is C n H 2 n − 2 . Due to the presence of a double bond, the rotation about adjacent carbon-carbon atoms is highly restricted. Hence, alkenes can exist in two forms which have the similar molecular formula but different types of arrangement of atoms around the double bond. This isomerism is a type of stereoisomerism which is known as geometric isomerism or cis-trans isomerism, for example, 1, 2-dichloroethane can show the geometrical isomerism,

Question

2. Platinum and other group 10 metals often act as solid phase hydrogenation catalysts for unsaturated hydrocarbons such as propylene, CH3CHCH2. In order for the reaction to be catalyzed the propylene molecules must first adsorb onto the surface. In order to completely cover the surface of a piece of platinum that has an area of 1.50 cm² with propylene, a total of 3.45 x 10¹7 molecules are needed. Determine the mass of the propylene molecules that have been absorbed onto the platinum surface.

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Question

Chapter 21, Problem 42E

Interpretation Introduction

Interpretation:

Whether the cis-trans isomers possible for CH3CH2CH=CHCH2CH3 or not is to be determined. If isomers are possible then the IUPAC name of the isomers is to be determined if not then IUPAC name of the compound is to be named.

Concept introduction:

The structural formula of a compound represents the molecular structure along with the atom connectivity and bonding arrangement.

Alkene contains a double bond between two carbons atoms whereas alkynes have a triple bond. Alkenes the general formula is CnH2n, while the alkyne general formula is CnH2n−2.

Due to the presence of a double bond, the rotation about adjacent carbon-carbon atoms is highly restricted. Hence, alkenes can exist in two forms which have the similar molecular formula but different types of arrangement of atoms around the double bond. This isomerism is a type of stereoisomerism which is known as geometric isomerism or cis-trans isomerism, for example, 1, 2-dichloroethane can show the geometrical isomerism,

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