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Chapter 12: PROBLEM 12.50 (page 490)

Question: Identify the starting material in each reaction.

a.

b.

Short Answer

Expert verified

Answer

a.

b.

Step by step solution

01

Degree of unsaturation

The degree of unsaturation is used to find out the unsaturation in the compound. It is given by the formula

DegreeofUnsaturation=2C+2+N-X-H2

Here,

  • C is carbon
  • N is nitrogen
  • X is halogen
  • H is hydrogen
02

Identification of reactants in a and b

a. The given compound is C10H18. Substitute the values in the formula.

Degreeofunsaturation=2脳10+5-18=42=2

Thus, the degree of unsaturation is 2. The starting material is identified as follows:

Starting material in a

b.The given compound is C10H16. Substitute the values in the formula.

Degreeofreaction=2脳10+2-162=62=3.

Thus, the degree of unsaturation is 3. The starting material is identified as follows:

Starting material in b

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