Pre-Quiz 2

1. The C-C single bond in CH2=CH-CH2-Br is made from what hybrid orbitals?

a) sp-sp

b) sp-sp2

c) sp-sp3

d) sp2-sp2

* e) sp2-sp3

f) sp3-sp3

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2. The common name for the (CH3)2CHCH2- group is

a) isopropyl

b) methylpropyl

* c) isobutyl

d) sec-butyl

e) tert-butyl

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3. The approximate C-C-C bond angle in butane is

a) 60°

b) 90°

* c) 109°

d) 120°

e) 180°

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4. All the carbons of cyclobutane are

a) primary

* b) secondary

c) tertiary

d) quaternary

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5. How many constitutional isomers have the molecular formula C5H11Br?

a) 3

b) 4

c) 5

d) 6

* e) more than 6