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Chp 3—Alkane structure & stereochemistry

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Total cards: 10•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (10)

#1
Front (Question)

alkane general formula

Back (Answer)

CnH2n+2

#2
Front (Question)

alkane MP and BP affected by…

Back (Answer)

• size — larger molecule = higher BP, MP • surface area — more surface area = higher BP, MP • even/odd C number — even number = higher BP, MP

#3
Front (Question)

Measure of plane angle between planes formed by 3 atoms in a conformer

Back (Answer)

dihedral angle φ

#4
Front (Question)

eclipsed conformer

Back (Answer)

front and back atoms are aligned

#5
Front (Question)

staggered conformer

Back (Answer)

front and back atoms are as far apart as possible

#6
Front (Question)

staggered ethane dihedral angle =

Back (Answer)

60°

#7
Front (Question)

angle/bayer strain

Back (Answer)

bond angle is forced to be less than the ideal tetrahedral bond angle

#8
Front (Question)

energy of cyclohexane conformers in order

Back (Answer)

chair << twist boat << boat << half chair

#9
Front (Question)

Can cis or trans decalin be chair-flipped?

Back (Answer)

Only cis

#10
Front (Question)

Back (Answer)