Deck 3 (41 - 60) Flashcards

1
Q
  1. C6H6 is molecular formula for:

a. butane
b. cyclohexane
c. benzene
d. hexane

A

c. benzene

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2
Q
  1. Identify the salt in the following reaction:

KOH(aq) + HBr(aq) -> H20(l) + KBr(aq)

a. KOH
b. HBr
c. H2O
d. KBr

A

d. KBr

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3
Q
  1. Reaction
    CH2 = CH2 + H2 -> CH3 - CH3 is an example of:

a. substitution
b. addition
c. esterificaton
d. oxidation

A

b. addition

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4
Q
  1. In the reaction described by the word equation:

sodium + water -> sodium hydroxide + hydrogen gas

a. sodium hydroxide is a reactant
b. sodium is a product
c. water is a product
d. hydrogen gas is a product

A

d. hydrogen gas is a product

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5
Q
  1. Which compound is saturated:

a. ethane
b. ethene
c. ethyne
d. ethanol

A

a. ethane

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6
Q
  1. Which of the following terms does the best describe an ion:

a. an isotope
b. an organic compound
c. a chemical bond
d. a charged molecule

A

d. a charged molecule

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7
Q
  1. How many electrons are in the 2d subs hell? (Check)
A

0

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8
Q
  1. The only Liquid Metal is:

a. He
b. Ge
c. Hg
d. H

A

c. Hg

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9
Q
  1. Which of the following is a noble gas:

a. carbon
b. oxygen
c. sodium
d. neon

A

d. neon

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10
Q
  1. R-OH is a general formula for ?
A

alcohol

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11
Q
  1. What is the correct name for an aqueous solution of HClO4 ?
A

perchloric acid

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12
Q
  1. Isomers share the same:

a. reactivity
b. boiling point
c. solubility
d. molar mass

A

d. molar mass

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13
Q
  1. Which of the following compounds is not a salt:

a. BaCrO4
b. FeCl2
c. K2SO4
d. Mg(OH)2

A

d. Mg(OH)2

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14
Q
  1. Give the name to:
    H3C-CH2-CO-O-CO-CH2-CH3

a. diethylpropanoate
b. ethanoic anhydride
c. propanoic anhydride
d. diethanoyl oxide

A

c. propanoic anhydride

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15
Q
  1. The dehydration of an alcohol produces alkenes. This is an example of:

a. combustion
b. elimination
c. substitution
d. addition

A

b. elimination

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16
Q
  1. Bases have a pH level below 7. True or false ?
A

false

17
Q
  1. Which of the following are isomers ?

a. propanoic acid and 1,2-propanediol
b. dichloromethane and trichloromethane
c. pentane and 2,3-dimethylbutane
d. 1-butene and cyclobutane

A

d. 1-butene and cyclobutane

18
Q
  1. Write the usual valence associated with oxygen in covalent compounds …
A

II (2)

19
Q
  1. What is a component of ant venom:

a. methanol
b. acetic acid
c. 2-propanol
d. formic acid

A

d. formic acid

20
Q
  1. Which of the following alkenes does not exist?

a. octane
b. pentene
c. butane
d. methene

A

d. methene