In 1840 the \"cold curls\" became en-vogue. This procedure consist of several st

Question

In 1840 the "cold curls" became en-vogue. This procedure consist of several steps: a) the hair is washed with a degreasing shampoo and put on curlers, b) The hair is allowed to react with thioglycolic acid (HS- CH_2-COOH) in weakly basic aqueous solution, c) A solution of a mild oxidizer is added, d) All chemicals are removed by washing and the hair is dried on the curlers. What kind of bonds was/were actually (partially) broken and reformed? I) hydrogen bonds II) ionic bonds III)disulfide-bridges IV) dipolar bonds I and II are correct I, II and III are correct I, III, and IV are correct all of the above are correct

Explanation / Answer

22. washing the hair and reacting with thioglycolic acid in basic medium. the given reaction sequence involves breaking of bonds, the types of bonds been broken are,

b) I, II and III are correct

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