Question

12 Identify the compound showing following infrared spectrum. 15 Identify the reaction CH, OH sequence for the following transformation CH (A) (B) CH,CI KMnO4H CH,COCI LAIHE AICI AICI Br2 CH3COCI HOCH CH OH Mg FeBry AICI H30* other CHỊ0 Hyo (A) (B) ОН (C) (D) Mg. Å CHCOCI H90 ОН Br2 (C) FeBly ether AICI (D) CH,COCI BEZ Mg CH2OH,0" AICI, FeBryother A factor which explains the large difference in the - boiling point of OCH OH 13 following two 2 isomerie compounds? CH, Identify the major product of HO 16 following reaction. CH, 8 H,POL heat (A) сну CH (A) The steric effect of the methyl group in compound 1 (B) A resonance effect in the compound (C) Hydrogen bonding between molecules of compound 2 (D) The electron donation of the methyl group in compound 2 (C) CH CH (D) 14 Identify the major product of following reaction. 0 °C HO. CH,+ BzHg THF NOH 17 Identify the reagent for following conversion. ta (A) CH, CH OH OH (A) 0:0 B) KM (C) NaCO, H2SO4 (D) CH CH H CICIO(PPC) HO OH 31

Answer 1

Answert IR spectrum show two peaks -ot, -- OH, c-streaching (main) 13 Answer © Hydrogen bonding between molecules of Compound @ CH3 14 -CH3 + By Ho og THE BH2 CH3 Hos/ Naot 41111111 OH

0 CH2O Por Bry Atzod Atelz Febrz #3 Br mgbr mg HOCH2CH2OH Hoo eths H300 -CH3 -CH3 (420H CH3 Answer B option 6 16 OH CH3 943 H3 Pou 스 14 PCC -OH 02 o clcros, (pcc) D H+