BCH Exam 1 Questions with complete
solution 2025
What reacts with a carboxylic acid to form an ester? - correct answer
✔alcohol
Aldehyde - correct answer ✔C=O-H
Isomers that are mirror images of each other, but that are not superimposable,
are called . . . - correct answer ✔enantiomers
The force that attracts a cation to an anion is called: - correct answer
✔electrostatic interaction
Carboxylate - correct answer ✔O=C=O (-)
To the nearest degree, what is the H-C-H bond angle in ethylene? - correct
answer ✔117
How many carbon atoms are in a molecule of hexane? - correct answer ✔6
Which of the following depicts the si face of acetaldehyde? - correct answer
✔
Ether - correct answer ✔
enol form of acetone - correct answer ✔
,What reacts with a carboxylic acid to form an ester? - correct answer ✔
Which of the following depicts the re face of acetaldehyde? - correct answer
✔
An ion, such as chloride or phosphate, with a net negative charge is called an
- correct answer ✔anion
Ester - correct answer ✔
Right handed helix - correct answer ✔
What products are formed from the condensation of two carboxylic acids? -
correct answer ✔Anhydride & Water
Thiol - correct answer ✔
When two carbon atoms form a double bond, one of the bonds is formed with
sp2 hybrid orbitals. This type of bond is called a: - correct answer ✔
What reacts with an alcohol to form an ester? - correct answer ✔Carboxylic
acid
Ammonia has two sp3 hybridized electrons that are not part of a covalent
bond with hydrogen atoms. A ______ is the term that is used to describe
these electrons . - correct answer ✔
,Ketal - correct answer ✔
An ion, such as Na+ or ammonium, with a net positive charge is called a -
correct answer ✔cation
The eclipsed and staggered forms of ethane are: - correct answer ✔
Which of the structures below depicts the eclipsed conformation of ethane? -
correct answer ✔
How many carbon atoms are in a molecule of pentane? - correct answer ✔5
Sulfydryl - correct answer ✔
When applied to an ion in a solvent, the dielectric constant, D, is: - correct
answer ✔a property of the solvent
When two double bonds in an organic carbon chain are separated by a single
bond, such as in 1,3-butadiene, the two double bonds are said to be: - correct
answer ✔conjugated
Alkane - correct answer ✔
Mercaptan - correct answer ✔
What products are formed when an amide is hydrolyzed? - correct answer
✔Amine & Carboxylic Acid
, How many carbon atoms are in a molecule of methane? - correct answer ✔1
Which of the following functional groups can act as hydrogen bond acceptors?
- correct answer ✔ether, ketone, alcohol, amine, amide, ester
To the nearest degree, what is the H-C-H bond angle in ethylene? - correct
answer ✔180 (linear; other is 117)
Amide - correct answer ✔
At pH 7, the equilibrium for the reaction shown favors the form on the right.
This means that: - correct answer ✔the pKa < 7
What is formed when an alcohol reacts with a ketone? - correct answer
✔hemiketal
The interaction that allows limited solubility of nonpolar compounds in water is
called: - correct answer ✔a dipole-induced dipole interaction & van der
Waals interactions
resonance forms - correct answer ✔
How many carbon atoms are in a molecule of ethane? - correct answer ✔2
What is the maximum number of hydrogen atoms that can simultaneously be
covalently and stably bound to a carbon atom? - correct answer ✔4
consitutional isomers - correct answer ✔
solution 2025
What reacts with a carboxylic acid to form an ester? - correct answer
✔alcohol
Aldehyde - correct answer ✔C=O-H
Isomers that are mirror images of each other, but that are not superimposable,
are called . . . - correct answer ✔enantiomers
The force that attracts a cation to an anion is called: - correct answer
✔electrostatic interaction
Carboxylate - correct answer ✔O=C=O (-)
To the nearest degree, what is the H-C-H bond angle in ethylene? - correct
answer ✔117
How many carbon atoms are in a molecule of hexane? - correct answer ✔6
Which of the following depicts the si face of acetaldehyde? - correct answer
✔
Ether - correct answer ✔
enol form of acetone - correct answer ✔
,What reacts with a carboxylic acid to form an ester? - correct answer ✔
Which of the following depicts the re face of acetaldehyde? - correct answer
✔
An ion, such as chloride or phosphate, with a net negative charge is called an
- correct answer ✔anion
Ester - correct answer ✔
Right handed helix - correct answer ✔
What products are formed from the condensation of two carboxylic acids? -
correct answer ✔Anhydride & Water
Thiol - correct answer ✔
When two carbon atoms form a double bond, one of the bonds is formed with
sp2 hybrid orbitals. This type of bond is called a: - correct answer ✔
What reacts with an alcohol to form an ester? - correct answer ✔Carboxylic
acid
Ammonia has two sp3 hybridized electrons that are not part of a covalent
bond with hydrogen atoms. A ______ is the term that is used to describe
these electrons . - correct answer ✔
,Ketal - correct answer ✔
An ion, such as Na+ or ammonium, with a net positive charge is called a -
correct answer ✔cation
The eclipsed and staggered forms of ethane are: - correct answer ✔
Which of the structures below depicts the eclipsed conformation of ethane? -
correct answer ✔
How many carbon atoms are in a molecule of pentane? - correct answer ✔5
Sulfydryl - correct answer ✔
When applied to an ion in a solvent, the dielectric constant, D, is: - correct
answer ✔a property of the solvent
When two double bonds in an organic carbon chain are separated by a single
bond, such as in 1,3-butadiene, the two double bonds are said to be: - correct
answer ✔conjugated
Alkane - correct answer ✔
Mercaptan - correct answer ✔
What products are formed when an amide is hydrolyzed? - correct answer
✔Amine & Carboxylic Acid
, How many carbon atoms are in a molecule of methane? - correct answer ✔1
Which of the following functional groups can act as hydrogen bond acceptors?
- correct answer ✔ether, ketone, alcohol, amine, amide, ester
To the nearest degree, what is the H-C-H bond angle in ethylene? - correct
answer ✔180 (linear; other is 117)
Amide - correct answer ✔
At pH 7, the equilibrium for the reaction shown favors the form on the right.
This means that: - correct answer ✔the pKa < 7
What is formed when an alcohol reacts with a ketone? - correct answer
✔hemiketal
The interaction that allows limited solubility of nonpolar compounds in water is
called: - correct answer ✔a dipole-induced dipole interaction & van der
Waals interactions
resonance forms - correct answer ✔
How many carbon atoms are in a molecule of ethane? - correct answer ✔2
What is the maximum number of hydrogen atoms that can simultaneously be
covalently and stably bound to a carbon atom? - correct answer ✔4
consitutional isomers - correct answer ✔
