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MP Quiz M6L8

Authored by Chris Jennings

Chemistry

12th Grade

MP Quiz M6L8
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27 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The empirical formula is defined as:

The simplest whole-number ratio of atoms of each element in a compound.

The actual number of atoms of each element in a molecule.

The mass ratio of elements in a compound.

The structural arrangement of atoms in a molecule.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following correctly represents the molecular, empirical, displayed, and skeletal formula for butan-1,4-diol?

Molecular: C4H10O2, Empirical: C2H5O, Displayed: HOCH2CH2CH2CH2OH, Skeletal: OHC-CH2-CH2-CHO

Molecular: C4H8O2, Empirical: CH2O, Displayed: CH3CH2CH2OH, Skeletal: CH3CH2CH2OH

Molecular: C4H10O2, Empirical: C2H5O, Displayed: HOCH2CH2CH2CH2OH, Skeletal: (CH2)4(OH)2

Molecular: C4H10O2, Empirical: C2H5O, Displayed: HOCH2CH2CH2CH2OH, Skeletal: HO-(CH2)4-OH

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Stereoisomers (such as E/Z) are defined as:

Compounds with the same molecular formula and connectivity but different spatial arrangement of atoms.

Compounds with different molecular formulas.

Compounds with the same molecular formula but different connectivity of atoms.

Compounds that are mirror images and superimposable.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following correctly represents the E/Z stereoisomers of but-2-ene?

E-but-2-ene and Z-but-2-ene

cis-but-1-ene and trans-but-1-ene

E-but-1-ene and Z-but-1-ene

cis-but-2-ene and trans-but-2-ene

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Select the correct repeat unit for polybut-2-ene.

-[-CH2-CH=CH-CH2-]-

-[-CH2-CH2-CH2-CH2-]-

-[-CH=CH-CH=CH-]-

-[-CH2-CH(CH3)-]-

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the empirical formula?

the simplest ratio of atoms in a compound

the total number of atoms in a molecule

the arrangement of atoms in space

the molecular mass of a compound

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

For Butan-1,4-diol: What is the molecular formula?

C4H10O2

C4H8O2

C4H10O4

C5H10O2

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