A mechanism for the reversible equilibrium isomerization of 2-substituted-2-cyclopentanones to 5-substituted-2-cyclopentanones is to be proposed. Concept introduction: The steps involved in the reversible equilibrium isomerization of 2-substituted-2-cyclopentanones to 5-substituted-2-cyclopentanones are i) abstraction of a proton from the Î³-carbon to form a resonance stabilized enolate ion ii) Protonation at the Î±- carbon iii) Abstraction of a proton from other Î±- carbon to form a different resonance stabilized enolate ion iv) Protonation of the Î³- carbon. To propose A mechanism for the reversible equilibrium isomerization of 2-substituted-2-cyclopentanones to 5-substituted-2-cyclopentanones.

Question

5. Compressibility (6 points total). The isothermal compressibility is a measure of how hard/easy it is to compress an object (how squishy is it?) at constant temperature. It is др defined as Br=-()=-(200²)T' (a) You might wonder why there is a negative sign in this formula. What does it mean when this quantity is positive and what does it mean when this quantity is negative? (b) Derive the formula for the isothermal compressibility of an ideal gas (it is very simple!) (c) Explain under what conditions for the ideal gas the compressibility is higher or lower, and why that makes sense.

Answer 1

Question

Chapter 22.SE, Problem 27MP

Interpretation Introduction

Interpretation:

A mechanism for the reversible equilibrium isomerization of 2-substituted-2-cyclopentanones to 5-substituted-2-cyclopentanones is to be proposed.

Concept introduction:

The steps involved in the reversible equilibrium isomerization of 2-substituted-2-cyclopentanones to 5-substituted-2-cyclopentanones are i) abstraction of a proton from the Î³-carbon to form a resonance stabilized enolate ion ii) Protonation at the Î±- carbon iii) Abstraction of a proton from other Î±- carbon to form a different resonance stabilized enolate ion iv) Protonation of the Î³- carbon.

To propose

A mechanism for the reversible equilibrium isomerization of 2-substituted-2-cyclopentanones to 5-substituted-2-cyclopentanones.

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