The IR signals produced by carbon-carbon double bond in conjugated compounds should be explained. Concept Introduction : IR spectral studies: It is a spectroscopic technique which is used to determine the functional groups present in the given compound sample by absorbing frequency in particular range with respect to the group present in the given sample. Wavenumber: It is defined as the number of waves in one centimeter. The wavenumber indicates the location of each signal with respect to the functional group in the molecule and its unit is cm -1 . Conjugated Compounds: The conjugated compounds arises when the p-orbitals overlap bridges the single bonds lying between the two phi bonds, which allows the delocalization of electrons over the compound. Resonance: The delocalization of pi electrons or lone pair of electrons present in p orbital within the molecule. The molecule is said to be more stable if it is resonance stabilized. Resonance stabilization : Due to the delocalization of electrons within the molecule the overall energy becomes lower and makes that molecule more stable. To explain : The characteristic signal value for the carbon-carbon double bond present in the conjugated system.

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Chapter 14.16, Problem 4LTS

Interpretation Introduction

Interpretation:

The IR signals produced by carbon-carbon double bond in conjugated compounds should be explained.

Concept Introduction:

IR spectral studies: It is a spectroscopic technique which is used to determine the functional groups present in the given compound sample by absorbing frequency in particular range with respect to the group present in the given sample.

Wavenumber: It is defined as the number of waves in one centimeter. The wavenumber indicates the location of each signal with respect to the functional group in the molecule and its unit is cm-1 .

Conjugated Compounds: The conjugated compounds arises when the p-orbitals overlap bridges the single bonds lying between the two phi bonds, which allows the delocalization of electrons over the compound.

Resonance: The delocalization of pi electrons or lone pair of electrons present in p orbital within the molecule. The molecule is said to be more stable if it is resonance stabilized.

Resonance stabilization: Due to the delocalization of electrons within the molecule the overall energy becomes lower and makes that molecule more stable.

To explain: The characteristic signal value for the carbon-carbon double bond present in the conjugated system.

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