1) From the column given , name The compound with -OH as the part of its structure a) Ethanol b) Ethanoic acid c) Ethanal 2) The compound with -COOH as the part of its structure a) Ethanol b) Ethanoic acid c) Ethanal 3) The compound with -CHO as the part of its structure a) Ethanal b) Ethanoic acid c) Ethanol 4) Homologue of homologous series with general formula CnH2n a) Ethene b) Ethane c) Ethyne 5) What is an alkyl Group? a) A hydrogen added to general formula of alkanes b) A hydrogen removed from general formula CnH2n+2 c) A Halogen added to alkanes 6) These compounds are essentially covalent compounds, exists as solid, liquid and gas with low b.p. and m.p. and have low density a) Inorganic compounds b) organic compounds

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