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18. A molecule is said to be optically active whea it I has a chiral center. III. rotates the p ...
18. A molecule is said to be optically active whea it I has a chiral center. III. rotates the plane of polarization of light. 1. las a plane of ey zumetry. A. I and II Bii and III C) III D) I, II and III 19. Arranges the following accerding to increasing rate of hydrolysis: i. I methy i p-nitrebenzoate X) methylbenzoate Yi methyl p-methylbenzoate Z) methyl p-aminobenzoatc A) 2X:Z B) ZYXW C) YZXW D) ZYW'X 20 . Whith if the following could carry wat the couversion shown above? A, 1. Nis ether D) 1.NaOH 2. CO2 2. CrO2H2SO4 3. IH3O∘ B) 1.0 , E) 1.Li 2. Zn,H2O 2. H2C=O C. I. K,NNO6OH 3. H3O∗ 2. Hi O∗ I. prepure butanoic acid from 1.propanol, which sequence of reagent(s) is are hest empioyed? A) K2Cr2O, in acid C) LiNHH4 B) PBr3,NaCN:H2O,Ir∗ D) NaCN;H2O;II∗