Chemistry Quiz

What is the reaction of 2-aminobutanoic acid with sodium hydroxide?

• Formation of an ester

• Formation of a salt

• Formation of an amide

• Formation of a ketone

What is the product when 2-aminobutanoic acid reacts with ethanol in the presence of concentrated sulfuric acid?

• An amide

• An ester

• A ketone

• A salt

Which of the following is a correct displayed formula for ch3ch2ch(ch3)ch2cl?

• CH3CH2CH2CH2Cl

• CH3CH(CH3)CH2Cl

• CH3CH2CH(CH3)Cl

• CH3CH2CH2Cl

Identify the chiral carbon atom in the molecule ch3ch(ch3)ch2ch3.

• First carbon

• Second carbon

• Third carbon

• Fourth carbon

What is the three-dimensional arrangement of 2-aminopentanoic acid?

• Linear

• Planar

• Tetrahedral

• Trigonal planar

Which molecule is used to test for optical isomerism?

• 2-aminopentanoic acid

• 2-hydroxypropanoic acid

• Aspartic acid

• Ethanol

What is the reaction of aspartic acid with ethanol and a small quantity of concentrated sulfuric acid?

• Formation of a salt

• Formation of an ester

• Formation of an amide

• Formation of a ketone

What is the isoelectric point of glycine?

• pH 2.0

• pH 6.0

• pH 9.0

• pH 11.0

Which of the following is a characteristic of zwitterions?

• They are always positively charged

• They are always negatively charged

• They have both positive and negative charges

• They have no charge

What is the main functional group in amides?

• Hydroxyl group

• Carbonyl group

• Amino group

• Carboxyl group