The degree of unsaturation (also known as dou | vedclass

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Question

(A) The degree of unsaturation $(DU)$ is calculated using the formula: $DU = C + 1 - \frac{H}{2} - \frac{X}{2} + \frac{N}{2}$,where $C$ is the number

Vedclass · Accepted Answer

$20$

Vedclass · Answer

(A) The degree of unsaturation $(DU)$ is calculated using the formula: $DU = C + 1 - \frac{H}{2} - \frac{X}{2} + \frac{N}{2}$,where $C$ is the number of carbon atoms,$H$ is the number of hydrogen atoms,$X$ is the number of halogen atoms,and $N$ is the number of nitrogen atoms.Given the molecular formula $C_{20}H_{22}O_2$:$C = 20$,$H = 22$,$X = 0$,$N = 0$.Substituting these values into the formula:$DU = 20 + 1 - \frac{22}{2} = 21 - 11 = 10$.Wait,checking the provided options,if the compound is a specific structure like a steroid or complex polycyclic system,let us re-evaluate. If the question implies a specific structure not provided,we assume the formula $C_{20}H_{22}O_2$. Based on the calculation,$DU = 10$. However,if the intended answer is $10$ and it is not in the options,there might be a typo in the question's formula. Given the options provided,if we assume the question refers to a specific structure where $DU = 10$,but the options are $17-21$,the question is likely flawed. Assuming the intended answer is $10$ based on the formula $C_{20}H_{22}O_2$.

The degree of unsaturation (also known as double bond equivalent or index of hydrogen deficiency) for a compound with the molecular formula $C_{20}H_{22}O_2$ is:

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