Give simple laboratory reactions of distinguish between:
(a) m-bromotoluene and benzyl bromide.
(b) para-chlorophenylacetylene and styrene.
(c) Phenylacetylene and styrene.

Give at least one characteristic test which can distinguish between Bromobenzene and benzyl bromide.

Give simple chemical tests to distinguish between the following pairs of compounds : (a) Ethanal and Propanal (b) benzoic acid and phenol

(a) Illustrate the following reactions giving a suitable example for each. (i) Cross aldol condensation (ii) Decarboxylation (b) Give simple tests to distinguish between the following pairs of compound (i) Pentan-2-one and pentan-3-one (ii) Benzaldehyde and Acetophenone (ii) Phenol and Benzoic acid

(a) Give chemical tests to distinguish between (i) Phenol and Benzoic acid (ii) Benzophenone and Acetophenone (b) Write the strucutre of the main products of following reactions : (i) (ii) H_(3)C - C -= C- H overset(Hg^(2+),H_(2)SO_(4))rarr .

(a) Given chemical tests to distinguish between the following : (i) Benzoic acid and ethyl benzoate. (ii) Benzaldehyde and acetophenone. (b) Complete each synthesis by giving missing regents or products in following. (i) (ii) C_(6)H_(3)CHO overset(H_(2)NCONHNH_(2)) to (iii)

(a) Write the products of the following reactions : (ii) CH_(3)MgBr+CO_(2)underset(H_(3)O^(+))overset("Dry ether")rarr (iii) CH_(3)CH_(2)COOH + Br_(2) overset("Red Phosphorus")rarr (b) Write simple chemical tests to distinguish between the following pairs of compounds : (i) Propanal and propanone (ii) Benzaldehyde and Benzoic acid

(a) Give a chemical test to distinguish between saturated and unsaturated hydrocarbon. (b) Name the products formed when ethane burns in air. Write the balanced chemical equatioin for the reaction showing the types of energies liberated. (c) Why is reactiion between methane and chlorine in the presence of sunlight considered a substitution reaction ?

Complete the following reactions : (b) Give simple chemical tests to distinguish between the following pairs of compounds : (i) Ethanal and Propanal (ii) Benzoic acid and Phenol

Give the type of isomerism exhibited by each of the following pairs: a. Acetic acid and methyl formate b. o- Nitrophenol and m- nitrophenol c. n- Butance and isobutance d. Maleic and fumaric acid e. Benzyl alcohol and o- methyl phenol f. Propionic acid and methyl acetate g. n- Butyl alcohol and diethyl ether h. 1,1- Dibromoethane and 1,2- dibromoethane

(a) write the products formed when CH_(3)CHO reacts with the following reaction: (i) HCN (ii) H_(2)N-OH (iii) CH_(3)CHO in the presence of dilute NaOH (b) Give simple chemical test to distinguish between the following pairs of compound (i) Benzoic acid and phenol (ii) Propanal and propanone