1.

Molecular formula of pencillin is C_(9) H_(11) O_(4) N_2SR. The incorrect matching is._

Answer»

R = Benzyl penicillin ------ penicillin G
R = `CH_2 - C_6H_4 - OH` ------ penicillin X
R = pent - 2 - enyl ------- AMYL penicillin
`R = (CH_2)_6 -CH_2 `------- n - heptyl penicillin

Answer :C


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