Organic Chemistry Answers

a) Compare the basicities of pyridine and pyrrole.
b) Give the chemical equations of the following reactions:
i) Condensation of methanal and ethanal in the presence of ammonia
ii) Paal-Knorr reaction
iii) Friedel-Crafts acylation of azole

Write down the born Huber cycle for cacl2 formation

Predict the product of reduction of pyrroline with red phosphorus and HI

Explain the following:
i) In the electrophilic substitution reactions, 1-position of naphthalene is more reactive than its 2-position. (Draw all possible resonance structures).

ii) Chlorination of ethylbenzene gives 1-chloro-1-phenylethane as the major product.

A buffer solution is prepared by mixing 100.0mL of 1.0M lactic acid with 100.0mL of 1.0M sodium lactate.

Calculate the volume (in mL) of 2.0M HCl required to change pH of 50.0mL of this buffer by one pH unit. Ka (lactic acid) = 1.38x10^-4

Locate the planes of symmetry in the eclipsed conformation of ethane in this conformation ethane, its chiral or achiral

Chlorination of ethylbenzene gives 1-chloro-1-phenylethane as the major product?

In the CuSO4 solution, 20 g of Fe was thrown, as the solution was dried and weighed 22g. How did the Fe react in the solution?

Reduction reaction for CH3-CH2-O-C=O

Which has a molecular formula of C5H8?