Organic Chemistry Answers

Write the possible conformation of butane. Arrange these conformations in the increasing order of their stability giving reasons.

Combustion of an 8.23 mg sample of a compound

gave 9.62 mg of carbon dioxide and 3.94 mg of water.

Analysis of another 5.32 mg sample of the same

compound by the Carius method gave 13.49% mg of

AgCl. Calculate the % composition and empirical

formula.

An 8.00 mg sample of an organic compound was

subjected to quantitative combustion to give 15.33 mg

of carbon dioxide and 9.36 mg of water. The

molecular weight was found to be 46. Calculate the %

composition, empirical and molecular formula of the

organic compound.

Show two ways from which you can use to prepare propiophenone

How has Kekulé’s model of benzene been proved wrong? Make sure to reference Bond Length, Bond Enthalpies, Hybridisation, Reactivity and Electron Density

Describe the method for experimental determination of energy changes

accompanying chemical reactions under constant volume conditions.

Number of possible open chain structure from molecular Formula C3H6O is x. Find the value of X by 4.

Draw line structure that represent the following IUPAC names:

A. 1,1- Diethylcyclohexane

B. 1,3,5 - Trimethylcycloheptane

Draw and name the alkanes that meet the following descriptions:

A. An alkane with a tertiary carbon atom

B. An alkane that has both a tertiary and quaternary carbon atom

Draw both condensed and line structures corresponding to the following IUPAC names and label each carbon as primary, secondary, tertiary or quaternary:

A. 3- Methylhexane

B. 3,4- Dimethyloctane

C. 2,2,4- Trimethylpentane