Identify the functional groups present in the following compounds:
(i) CH3CH2OH (ii) CH3Cl (iii) C2H2 (iv) CH3 — COOH
In the next section, you will study about some simple compounds which
contain some of the above mentioned functional groups.
Answers
Answer:
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Answer:
(i) CH3CH2OH - Hydroxyl group
(ii) CH3Cl - Halogen group
(iii) C2H2 - Hydrocarbyl group
(iv) CH3 — COOH - Carboxyl group
Explanation:
(i) Compounds with hydroxyl group have the formula R-OH where OH is a hydroxyl group. Oxygen is bonded to hydrogen in the hydroxyl group. Organic compounds that contain hydroxyl group deprotonates readily.
(ii) Compounds with halogen group have the formula R-X where X is halogen. Compounds with halogen groups undergo nucleophilic substitution reactions and elimination reactions easily.
(iii) Compounds with hydrocarbyl groups have the formula R(CH2)nH for alkanes, R2C=CR2 for alkenes, RC≡CR' for alkynes and RC6H5 for benzene. The hydrocarbyl group contains only carbon and hydrogen.
(iv) Compounds with carboxyl groups have the formula R-COOH. The carboxyl group contains carbon which is bonded with oxygen and oxygen is bonded with hydrogen.