Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
Related questions
Question
Which of these formulas is(are) not valid for octane?
A. C8H18
B. C8H20
C. C8H16
D. CH3CH2CH2CH2CH2CH2CH2CH3
E. CH3(CH2)6 CH3
Expert Solution
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Step 1
Octane is a alkane (hydrocarbon) with eight carbon atoms. Alkanes have general formula "CnH2n+2"where n is number of carbon atoms.
Thus the molecular formula for octane is "C8H18".
The molecular formula for the structure CH3CH2CH2CH2CH2CH2CH2CH3 and CH3(CH2)6 CH3 is C8H18.
Therefore formula given in option (B) C8H20 and (C) C8H16 are not valid for octane.
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