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Quiz on organic science lab

This is a timed quiz. You will be given 15 seconds per question. Are you ready?

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1.Which of the following reagents is commonly used to test for the presence of unsaturation (double or triple bonds) in organic compounds?

A) Bromine water

B) Silver nitrate

C) Iodine solution

D) Sodium hydroxide

Correct! Wrong!

8.What is the purpose of adding sodium bicarbonate to an organic solution in the lab?

A) To neutralize acidic impurities

B) To catalyze the reaction

C) To extract non-polar compounds

D) To remove water from the mixture

Correct! Wrong!

6.Which of the following solvents is most commonly used for recrystallization in organic chemistry?

A) Water

B) Ethanol

C) Acetone

D) Hexane

Correct! Wrong!

7.In a redox reaction, the organic compound that is oxidized:

A) Gains electrons

B) Loses electrons

C) Gains hydrogen

D) Loses oxygen

Correct! Wrong!

5.What is the main purpose of using a reflux apparatus in organic chemistry experiments?

A) To cool the reaction mixture

B) To speed up the reaction

C) To prevent the loss of volatile substances

D) To separate solid and liquid components

Correct! Wrong!

2.Which of the following techniques is used to purify liquids in organic chemistry labs?

A) Filtration

B) Distillation

C) Chromatography

D) Sublimation

Correct! Wrong!

3.In a reaction, when a compound undergoes electrophilic substitution, which of the following does it typically involve?

A) Nucleophilic attack

B) Addition of an electrophile to a double bond

C) Loss of a leaving group

D) Rearrangement of carbon atoms

Correct! Wrong!

4.Which of the following compounds is most likely to undergo nucleophilic substitution?

A) Alkene

B) Alcohol

C) Alkyl halide

D) Arene

Correct! Wrong!

Quiz on organic science lab

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