What is a racemic mixture? Give an example

Answer the following: (i) Haloalkanes easily dissolve in organic solvents, why? (ii) What is known as a racemic mixture ? Give an example. (iii) Of the two bromoderivatives, C_6H_5CH (CH_3) Br and C_6H_5CH (C_6H_5)Br , which one is more reactive in S_(n^1) substitution reaction and why?

What is a freezing mixture ? Give an example.

(a) What is a mixture? Give to examples of mixtures. (b) What is meant by (i) homogeneous mixtures, and (ii) heterogeneous mixtures? Give two example os homogeneous mixtures and two of heterogenous mixtures.

Racemic mixture has :

List two differences between a pure substance and a mixture. Give an example of each.

What is a homogeneous and a heterogeneous mixture? Give one example for each.