January 2023 Chemistry Regents Questions 21-30 Question Preview (ID: 61256)

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Which statement describes the bonding in an alkyne molecule?

a) There is at least one carbon-to-carbon double bond.

b) There is at least one carbon-to-carbon triple bond.

c) There is at least one carbon-to-oxygen single bond.

d) There is at least one carbon-to-oxygen double bond.

Which compound has a functional group that contains two oxygen atoms?

a) 1-propanamine

b) 2-chloropropane

c) methyl propanoate

d) methyl ethyl ether

Which term identifies a type of organic reaction?

a) deposition

b) distillation

c) polymerization

d) vaporization

In an electrochemical cell, oxidation occurs at the

a) anode

b) cathode

c) salt bridge

d) switch

Which energy conversion occurs in an operating electrolytic cell?

a) chemical energy to electrical energy

b) electrical energy to chemical energy

c) nuclear energy to electrical energy

d) electrical energy to nuclear energy

One acid-base theory states that a base is an

a) H- donor

b) H- acceptor

c) H+ donor

d) H+ acceptor

The acidity or alkalinity of a solution can be measured by its

a) pH value

b) electronegativity value

c) boiling point

d) freezing point

When the nucleus of an atom of neon-19 decays, which particle is emitted?

a) 1

b) 2

c) 3

d) 4

Which nuclear emission has the greatest mass?

a) positron

b) gamma ray

c) beta particle

d) alpha particle

Which statement describes the net change that occurs during nuclear fission?

a) Electrons are converted to protons.

b) Protons are converted to electrons.

c) Mass is converted to energy.

d) Energy is converted to mass.

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