Organic Chemistry Answers

A reaction produced 0.50 mmol of H+ in a buffered solution which contained 500 ml of 0.08 M succinate buffer, pH 4. What was the pH of the medium after the reaction was completed? The pka of succinic acid is 4.21

Discuss free radical reaction mechanism in methane chlorination as an example of

substitution reactions of alkanes

Define the following

(iii)Discuss the oxidation reaction of methane.

(i)Energy of activation in relation to methane

(ii)Heat of combustion

(iv)Discuss free radical reaction mechanism in methane chlorination as an example of

substitution reactions of alkanes

Cyclopentanethiol has a markedly lower melting point than cyclopentanol even though, it has a

higher molecular weight. Explain

A pure sample of S-phenyalanine has a specific rotation of [a] of 70degree If am mixture of two enantiomers of phenylalanine gives a specific rotation of -14.0 degree, what is the percentage of S enantiomer in this mixture?

Which of the following molecules are negatively charged nucleophiles? 1) KN3 (2) LiN(CH3)2 (3) HSCH3

Match the enzyme catalysed chemical reaction with the correct class of enzyme for that reaction

1. 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.

Acidic strength order of dinitrobenzoic acids having (2,6), (2,3), (2,4) and (3,4) positions

Give two examples (structures) only on 2π, 6π and 10π electron compounds. Show why the compounds are aromatic using the molecular orbital diagram