Organic Chemistry Answers

products of Propanoic anhydride and Ethanol, with heating.

An aldehyde has the structural formula CH3CH(CH3)CHO.

a. A carboxylic acid is formed when this compound undergoes mild oxidation. i Give the name and structural formula for the carboxylic acid that is formed.

Giving reasons arrange the following in increasing order of their vO-H frequency: ethanol, trichloroacetic acid, acetic acid and chloroacetic acid

vo-h frequency in ethanol

Draw and name the seven aldehydes and ketones with the formula

C5H10O

Bombykol, the sex pheromone secreted by the female silkworm moth,

has the formula C16H30O and the systematic name (10E,12Z)-hexadeca￾10,12-dien-1-ol. Draw bombykol showing correct stereochemistry for the

two double bonds

Give the structures of the major products you would obtain from reaction

of phenol with the following reagents:

(a) Br2 (1 mol) (b) Br2 (3 mol)

(c) NaOH, then CH3I (d) Na2Cr2O7, H3O+

The standard potential of the following cell:

Cd (s) / Cd (NO3)2 (aq) // KBr (aq) / AgBr (s) / Ag (s)

Was found to be 0.4731 V at 25°C. The temperature coefficient of the emf of the cell is 1.74 x 10-4 VK-1. Write the cell reaction and calculate ΔG°, ΔS° and ΔH°.    [3 marks]

The reaction 2 NO(g) reversible N₂ (g)+O₂(g) has a KC value of 2400 at 2000 K. If 0.850 M each of N₂ and O₂ are initially present in a 3.00-L vessel, calculate the equilibrium concentration of NO, N₂ and O_2.

NThe reaction 2

Give the essential condition for the reaction between chlorine and butane?What type of reaction is this?