FREE CHEMISTRY AND STUDY GAMES ABOUT ORGANIC

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FREE CHEMISTRY AND STUDY GAMES ABOUT ORGANIC

CHEM CH. 12 EXAM QUESTIONS

Qs and Ans Expert- Explanation

This Exam contains:

-Guarantee passing score -23 Questions and Answers -format set of multiple-choice -Expert- Explanation

Question 1: Methyl group

Answer:

The --CH3 alkyl group

Question 2: Isopropyl group

Answer:

The branched-chain alkyl group -CH(CH3)2.

Question 3: Condensed structure

Answer:

A shorthand way of drawing structures in which C--C and C--H bonds are understood rather than shown.

Question 4: Alcane

Answer:

A hydrocarbon that has only single bonds.

Question 5: Ethyl group

Answer:

The -CH2CH3 alkyl group

Question 6: Line structure

Answer:

A shorthand way of drawing structures in which atoms aren't shown; instead, a carbon atom is understood to be at every intersection of lines and hydrogens are filled in mentally.

Question 7: Tertiary carbon atom

Answer:

A carbon atom with three other carbons attached to it.

Question 8: Propyl group

Answer:

The straight-chain alkyl group -CH2CH2CH3.

Question 9: Cycloalkane

Answer:

An alkane that contains a ring of carbon atoms

Question 10: Combustion

Answer:

A chemical reaction that produces a flame, usually because of burning with oxygen.

Question 11: Branched-chain alkane

Answer:

An alkane that has a branching connection of carbons.

Question 12: Primary carbon atom

Answer:

A carbon atom with one other carbon attached to it.

Question 13: Substituent

Answer:

An atom or group of atoms attatched to a parent compound.

Question 14: Constitutional isomers

Answer:

Compounds with the same molecular formula but different connections among their atoms.

Question 15: Straight-chain alkane

Answer:

An alkane that has all its carbons connected in a row.

Question 16: Isomers

Answer:

Compounds with the same molecular formula but different structures.

Question 17: Conformation

Answer:

The specific three-dimensional arrangement of atoms in a molecule.

Question 18: Hydrocarbon

Answer:

An organic compound that contains only carbon and hydrogen

Question 19: Quaternary carbon atom

Answer:

A carbon atom with four other carbons attached to it.

Question 20: Organic chemistry

Answer:

The study of carbon compounds.

Question 21: Alkyl group

Answer:

The part of an alkane that remains when a hydrogen atom is removed.

Question 22: Secondary carbon atom

Answer:

A carbon atom with two other carbons attached to it.

Question 23: Functional group

Answer:

An atom or group of atoms within a molecule that has a characteristic structure and chemical behavior.