The HDI calculation for the given molecular formula 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 . The Hydrogen Deficiency Index (HDI): It is used to measure the number of degrees of unsaturation (double and triple bonds) present in a given molecule. It is determined by using the formula HDI = 1 2 [(2 × No . of Carbon atoms)+2+(No . of Nitrogen atoms) -(No . of Hydrogen atoms)-(No . of halogens)] To calculate : The HDI value for the given molecular formula.

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Chapter 14.3, Problem 4CC

Interpretation Introduction

Interpretation: The HDI calculation for the given molecular formula 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 .

The Hydrogen Deficiency Index (HDI): It is used to measure the number of degrees of unsaturation (double and triple bonds) present in a given molecule. It is determined by using the formula

HDI = 12[(2×No. of Carbon atoms)+2+(No. of Nitrogen atoms) -(No. of Hydrogen atoms)-(No. of halogens)]

To calculate: The HDI value for the given molecular formula.

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