+ \(C_5H_{12}\)
\(k = \frac{{5.2 + 2 - 12}}{2} = 0\)
Các CTCT:
\(CH_3-CH_2-CH_2-CH_2-CH_3\): pentan
\(CH_3-CH(CH_3)-CH_2-CH_3\): 2-metyl butan
\(CH_3-C(CH_3)_2-CH_3\): 2,2-dimetyl propan
+ \(C_6H_{14}\)
\(k = \frac{{6.2 + 2 - 14}}{2} = 0\)
CTCT:
\(CH_3-CH_2-CH_2-CH_2-CH_2-CH_3\): hexan
\(CH_3-CH(CH_3)-CH_2-CH_2-CH_3\): 2-metyl pentan
\(CH_3-CH_2-CH(CH_3)-CH_2-CH_3\): 3-metyl pentan
\(CH_3-CH(CH_3)-CH_(CH_3)-CH_3\): 2,3-dimetyl butan
\(CH_3-C(CH_3)_2-CH_2-CH_3\): 2,2-dimetyl butan
+ \(C_4H_8\)
\(k = \frac{{4.2 + 2 - 8}}{2} = 1\)
CTCT:
\(CH_2=CH-CH_2-CH_3\): but-1-en
\(CH_3-CH=CH-CH_3\): but-2-en
\(CH_2=C(CH_3)-CH_3\): 2-metyl propen
+ \(C_4H_6\)
\(k = \frac{{4.2 + 2 - 6}}{2} = 2\)
CTCT:
\(CH \equiv C - C{H_2} - C{H_3}\): but-1-in
\(CH_3-C \equiv C-CH_3\): but-2-in
