CHE 1120 Exams 1, 2 & 3 Review – Complete Chemistry Study Guide 2026
Organic Compounds always contain - ANS ✔✔carbon and hydrogen (C and H)
Some alkenes have geometric (cis-trans) isomers because - ANS ✔✔the carbon atoms in the
double bond cannot rotate
The name given to an aqueous solution of H3PO3 is - ANS ✔✔Phosphorus acid
Oil does not dissolve in water because - ANS ✔✔oil is nonpolar
Which of the following is at equilibrium? - ANS ✔✔The forward and reverse reactions occur at
the same rate
Which of the following is the strongest acid? - ANS ✔✔HClO4
Normal blood pH is - ANS ✔✔7.35-7.45
According to LeChâtelier's principle, predict whether removing some HCHO2 causes the system
to shift in the direction of reactants, products, or no change. HCHO2 (aq) + H2O(l) <----> CHO2 -
(aq) + H3O + (aq) - ANS ✔✔Reactants
In a molecule with covalent bonding - ANS ✔✔atoms are held together by sharing electrons
Which has the weakest conjugate base? - ANS ✔✔HBr
Which of the following makes a buffer solution? - ANS ✔✔H3PO4 and NaH2PO4
, Carbon atoms always have how many covalent bonds? - ANS ✔✔four
A measure of the concentration of H3O+ ions in a given solution - ANS ✔✔Molarity
Hydrocarbons are the primary constituents of - ANS ✔✔fuels
In water, a substance that ionizes completely in solution is called a - ANS ✔✔strong electrolyte
Which one of the following is characteristic of a base? - ANS ✔✔has a chalky taste
Which of the following is a cis-trans isomer? - ANS ✔✔
Which of the following statements correctly describe the hydronium-hydroxide balance in the
given solution? - ANS ✔✔In bases, [OH-] is greater than [H3O+]
The correct formula for the conjugate base of H2CO3 is - ANS ✔✔HCO3
According to Arrhenius concept, if NH3, were dissolved in water, it would act as - ANS ✔✔a
source of hydroxide ions
According to the IUPAC convention, alkyl group names should be located _____ of the name of
the main chain. - ANS ✔✔in front
Alkenes and alkynes are called unsaturated compounds because - ANS ✔✔they have fewer
hydrogen atoms attached to the carbon chain than alkanes
Organic Compounds always contain - ANS ✔✔carbon and hydrogen (C and H)
Some alkenes have geometric (cis-trans) isomers because - ANS ✔✔the carbon atoms in the
double bond cannot rotate
The name given to an aqueous solution of H3PO3 is - ANS ✔✔Phosphorus acid
Oil does not dissolve in water because - ANS ✔✔oil is nonpolar
Which of the following is at equilibrium? - ANS ✔✔The forward and reverse reactions occur at
the same rate
Which of the following is the strongest acid? - ANS ✔✔HClO4
Normal blood pH is - ANS ✔✔7.35-7.45
According to LeChâtelier's principle, predict whether removing some HCHO2 causes the system
to shift in the direction of reactants, products, or no change. HCHO2 (aq) + H2O(l) <----> CHO2 -
(aq) + H3O + (aq) - ANS ✔✔Reactants
In a molecule with covalent bonding - ANS ✔✔atoms are held together by sharing electrons
Which has the weakest conjugate base? - ANS ✔✔HBr
Which of the following makes a buffer solution? - ANS ✔✔H3PO4 and NaH2PO4
, Carbon atoms always have how many covalent bonds? - ANS ✔✔four
A measure of the concentration of H3O+ ions in a given solution - ANS ✔✔Molarity
Hydrocarbons are the primary constituents of - ANS ✔✔fuels
In water, a substance that ionizes completely in solution is called a - ANS ✔✔strong electrolyte
Which one of the following is characteristic of a base? - ANS ✔✔has a chalky taste
Which of the following is a cis-trans isomer? - ANS ✔✔
Which of the following statements correctly describe the hydronium-hydroxide balance in the
given solution? - ANS ✔✔In bases, [OH-] is greater than [H3O+]
The correct formula for the conjugate base of H2CO3 is - ANS ✔✔HCO3
According to Arrhenius concept, if NH3, were dissolved in water, it would act as - ANS ✔✔a
source of hydroxide ions
According to the IUPAC convention, alkyl group names should be located _____ of the name of
the main chain. - ANS ✔✔in front
Alkenes and alkynes are called unsaturated compounds because - ANS ✔✔they have fewer
hydrogen atoms attached to the carbon chain than alkanes
