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CHEM 1020 FINAL EXAM questions and answers graded A+ by experts 2024/2025
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CHEM 1020 FINAL EXAM questions and answers graded A+ by experts 2024/2025
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CHEM 1020 FINAL EXAMwhat is a major difference between organic and inorganic compounds? - ANSorganic contain
carbon
what is the reason why there are so many organic compounds? - ANScarbon atoms can form
stable covalent bonds with other carbon atoms
the vast number of organic compounds is due to the unique chemistry of carbon. this chemistry
involves - ANSformation of long chains& isomerism
Which applies to the manner in which carbon bonds in alkanes? - ANSthe bonds are formed
with carbon using an sp3 configuration
functional groups are - ANSto organic chem as polyatomic ions are to inorganic chem, are
chemically bound to each other in order to develop larger molecules
the alkanes represent one family of organic compounds - ANSthat is composed of carbon and
hydrogen
formulas of organic compounds - ANSCH3CH2COOH, CH3CH2OH,
CH3CH3CH3
which is an alcohol - ANSCH3CH2OH
what is meant by the term "saturated" when describing hydrocarbons - ANSthey are saturated
with hydrogen and only have single bonds between carbons
correct statements on the naming of organic compounds - ANSmany compounds have been
known long enough to have common names, the naming system of organic compounds is set
by IUPAC rules, & the naming system requires that the longest carbon chain must always be
found
cycloalkanes are - ANSNOT: compounds that have a flat molecular structure,
saturated hydrocarbons, or compounds that cannot have hydrogens removed and replaced by
chlorine
which of the following term applies to the alkanes - ANShydrophobic
what is a characteristic shared by the alkanes - ANSflammable
which of the following is a use for alkanes? - ANSa. fuel
, b. lubricant
c. solvent
D. MORE THAN ONE IS CORRECT
which of the following represent a saturated hyrdocarbon - ANSC2H6
All of the members of the alkane series of hydrocarbons have the general formula __ -
ANSCnH2n+2
which of the following compounds can exhibit structural isomerism? - ANSbutane
how many structural isomers are possible for compounds with a molecular formula C4H10 -
ANS2
which is a structural isomer of 2-methylbutane - ANSpentane
how many structural isomers of C7H16 have 5 carbon atoms in the longest carbon chain -
ANS5
A compound is incorrectly named 2-ethyl 1-2,4 - dimethylhexane. What would be the correct
IUPAC name - ANS3,3,5-trimethylheptane
A general formula for cycloalkanes is - ANSCnH2n
which of the following cycloalkanes contains a total of 12 carbon atoms -
ANS1-ethyl-2methylcyclononane
how many isomers (structural and geometric) exist for dibromocyclopentane (C5H8Br2) - ANS5
how many isomers exist for dichlorocyclopropane (C3H4Cl2) - ANS3
an alkane with 10 carbon atoms is a __ @ room temp - ANSliquid
Alkanes are ___ in water and ___ than water - ANSinsoluble, less dense
complete combustion of pentane produces - ANSCO2 & H2O
Alkanes react readily with - ANSNOT: sodium hydroxide, hydrochloric acid, sulfuric acid
cis-1,2 dimethylcyclohexane and trans- 1,2-dimethylcyclohexane are examples of what type of
isomers? - ANSstereoisomers & geometric isomers
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