Give simple chemical tests to distinguish between the following pairs of compounds.
`{:("(i) Propanal and Propanone"," (ii) Acetophenone and Benzophenone"),("(iii) Phenol and Benzoic acid"," (iv) Benzoic acid and Ethyl benzoate"),("(v) Pentan-2-one and Pentan-3-one"," (vi) Benzaldehyde and Acetophenone"),("(vii) Ethanal and Propanal",):}`

Draw the structures of the following compounds. {:("(i) 3-Methylbutanal"," (ii) p-Nitropropiophenone"),("(iii) p-Methylbenzaldehyde"," (iv) 4-Methylpent-3-en-2-one"),("(v) 4-Chloropentan-2-one"," (vi) 3-Bromo-4-phenylpentanoic acid"),("(vii) p,p’-Dihydroxybenzophenone"," (viii) Hex-2-en-4-ynoic acid"):}

How the following pairs of compounds can be distinguished by simple chemical tests ? (a) Phenol and benzoic acid (b) Ethanal and propanal (c) Pentan-2-one and pentan-3-one (d) Propanal and propanone (e) Acetophenone and benzophenone (f) Benzoic acid and ethylbenzoate (g) Acetophenone and benzaldehyde.

Show how each of the following compounds can be converted to benzoic acid. {:("(i) Ethylbenzene","(ii) Acetophenone"),("(iii) Bromobenzene","(iv) Phenylethene (Styrene)"):}

Give names of the reagents to bring about the following transformations: (i) Pentan-1-ol to pentanal, (ii) Ethannitrile to ethanal, (iii) Allyl alcohol to propenal, (iv) But -2-ene to ethanal and (v) But-1-yne to butanone

Which of the following compounds would undergo aldol condensation, which the Cannizzaro reaction and which neither? Write the structures of the expected products of aldol condensation and Cannizzaro reaction. {:("(i) Methanal"," (ii) 2-Methylpentanal"," (iii) Benzaldehyde"),("(iv) Benzophenone"," (v) Cyclohexanone"," (vi) 1-Phenylpropanone"),("(vii) Phenylacetaldehyde"," (viii) Butan-1-ol"," (ix) 2,2-Dimethylbutanal"):}

Amongst the following compounds, identify which are insoluble, partially soluble and highly soluble in water. (i) phenol (ii) toluene (iii) formic acid (iv) ethylene glycol (v) chloroform (vi) pentanol.

How will you prepare the following compounds from benzene? You may use any inorganic reagent and any organic reagent having not more than one carbon atom {:("(i) Methyl benzoate"," (ii) m-Nitrobenzoic acid"),("(iii) p-Nitrobenzoic acid"," (iv) Phenylacetic acid"),("(v) p-Nitrobenzaldehyde.",):}

Arrange the following compounds in increasing order of their reactivity in nucleophilic addition reactions. (i) Ethanal, Propanal, Propanone, Butanone. (ii) Benzaldehyde, p-Tolualdehyde, p-Nitrobenzaldehyde, Acetophenone.