A student found an unknown solution which had the distinct odor of an organic compound. In an attempt to identify the functional group, she performed several of the tests used in Experiment # 6. The observations are tabulated below. a. Primary alcohol b. Carboxylic acid c. Tertiary alcohol d. Secondary alcohol e. Aldehyde f. Ketone Reagent Color of control sample Color after the test Potassium dichromate (K2Cr2O7) Orange Green Potassium permanganate KMnO4) Deep Purple Brown precipitate Brady's Reagent (dinitrophenylhydrazine) Red-orange solution Deep red precipitate Legal's reagent (sodium nitropruside) Bright red solution No change observed; no precipitate either
A student found an unknown solution which had the distinct odor of an organic compound. In an attempt to identify the functional group, she performed several of the tests used in Experiment # 6. The observations are tabulated below. a. Primary alcohol b. Carboxylic acid c. Tertiary alcohol d. Secondary alcohol e. Aldehyde f. Ketone Reagent Color of control sample Color after the test Potassium dichromate (K2Cr2O7) Orange Green Potassium permanganate KMnO4) Deep Purple Brown precipitate Brady's Reagent (dinitrophenylhydrazine) Red-orange solution Deep red precipitate Legal's reagent (sodium nitropruside) Bright red solution No change observed; no precipitate either
A student found an unknown solution which had the distinct odor of an organic compound. In an attempt to identify the functional group, she performed several of the tests used in Experiment # 6. The observations are tabulated below. a. Primary alcohol b. Carboxylic acid c. Tertiary alcohol d. Secondary alcohol e. Aldehyde f. Ketone Reagent Color of control sample Color after the test Potassium dichromate (K2Cr2O7) Orange Green Potassium permanganate KMnO4) Deep Purple Brown precipitate Brady's Reagent (dinitrophenylhydrazine) Red-orange solution Deep red precipitate Legal's reagent (sodium nitropruside) Bright red solution No change observed; no precipitate either
A student found an unknown solution which had the distinct odor of an organic compound. In an attempt to identify the functional group, she performed several of the tests used in Experiment # 6. The observations are tabulated below.
a. Primary alcohol
b. Carboxylic acid
c. Tertiary alcohol
d. Secondary alcohol
e. Aldehyde
f. Ketone
Reagent
Color of control sample
Color after the test
Potassium dichromate (K2Cr2O7)
Orange
Green
Potassium permanganate KMnO4)
Deep Purple
Brown precipitate
Brady's Reagent (dinitrophenylhydrazine)
Red-orange solution
Deep red precipitate
Legal's reagent (sodium nitropruside)
Bright red solution
No change observed; no precipitate either
Definition Definition Group of atoms that shape the chemical characteristics of a molecule. The behavior of a functional group is uniform in undergoing comparable chemical reactions, regardless of the other constituents of the molecule. Functional groups aid in the classification and anticipation of reactivity of organic molecules.
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