Physical Science Review 8.2: Question Preview (ID: 15665)

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Organic compounds usually contain
a) carbon
b) oxygen
c) nitrogen
d) a halogen

hydrocarbons have all the properties of organic compounds in addition to
a) flammability
b) low melting and boiling points
c) low conductivity
d) poorly mixing with water

The __________ on the molecule C2H6 indicates ___ hydrogen atoms
a) subscript; 6
b) subscript; 2
c) coefficient; 2
d) coefficient; 6

Isomers are compounds with
a) the same chemical formula but different structural formula
b) the same structural formula but different chemical formula
c) the same structural and chemical formulas
d) different chemical and structural formulas

Which of the following hydrocarbons is saturated?
a) C2H6
b) C2H4
c) C2H2
d) 2 of the choices

Which of the following compounds contains at least one double bond?
a) alkenes
b) alkanes
c) alkynes
d) 2 of the choices

Alcohols are substituted hydrocarbons containing a _________ group
a) OH
c) COO
d) halogen

Esters are substituted hydrocarbons containing a _________ group
a) COO
b) OH
d) halogen

Organic acids are substituted hydrocarbons containing a ___________ group
b) halogen
c) OH
d) COO

CCl2F2 is an example of a(n)
a) halide
b) alcohol
c) organic acid
d) ester

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