Organic Chemistry

Question 1

Which of the following is NOT a constitutional isomer of isooctane?

Answer 1

Ethyl pentane

Question 2

From which of the given alkanes should be easiest to prepare a single pure
monochlorinated product?

Answer 2

isohexane

Question 3

Which of the following is an 18C monounsaturated fatty acid?

Answer 3

Oleic acid

Question 4

One type of pericylic reaction, wherein a σ-bonded substituent atom or group migrates across a π electron system from one position to another.

Answer 4

Sigmatropic Rearrangements/Shift

Question 5

Give the identity of product X in the reaction given below.

Question 6

He demonstrated, for the first time, that an organic compound can be produced from an inorganic source. He was able to synthesize urea from ammonium cyanate.

Answer 6

Friedrich Wöhler

Question 7

Which of the following are the propagation steps in the free-radical chlorination of methane?

Answer 7

II. CH4 + Cl > CH3 + HCl
IV. CH3 + Cl2 > CH3Cl + Cl

Question 8

Using these structures, the stability of benzene is described as having a six-membered ring with three alternating π bonds.

Answer 8

2 Resonance Structures

Question 9

Aromatic compounds undergo substitution reactions instead of addition reactions  because

Question 10

Oxidation of a tertiary alcohol produces a/an

Answer 10

No reaction