What is the formula for C8H14?

Answer 1

CH2 is the empirical formula for C4H8 because it is an alkene and the empirical fomula for ALL alkenes are C(n)H(2n) n being the number of molecules!!! (^-^)

Answer 2

(Empirical formula =) C8H8O3;

Allow bond to HO rather than OH or halfway between the two

1. (ii) secondary; 1

2. (iii) CH3COCH3/propanone/acetone; 1

   Allow ECF from a different alcohol drawn in (i)

SN2 / bimolecular; 1

HO HCCH

H O

1

H

O

HH

H2 Allow double bonds on arene in alternate positions, or allow delocalized representation (of pi electrons).

Answer 3

C8H14 is the chemical formula of cyclooctene but also for many other compounds.