Question

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a chievemethyst bit chiaro-methylcyclohexano c)2-methychrocyclohexanol - Schocyclohexano Sche iben Which of the following cannot be an electrophe BF, 'NO, ed on the following energy diagram, which compound is formed CHECH, a) A from ) B from A 10. Which of the following has the lowest priority? c) Ciroma Reaction di CB from -C-H -CHOICH, O NCH, 11. EC-CH Which of the following are methods used for the resolution (separation of enantiomers Manual separation b) Column chromatography using an achiral compound Conversion to constitutional isomers followed by regeneration under acidic conditions All three e) Only (a) and (b) c) 12. The specific rotation of a pure sample of (5-phenylalanine is +70°. A mixture of enantiomers gives a specific rotation of +7,0. What are the percentages of the (R) and (5) enantiomers? a) 90% and 10%R b) 95% and 5% C) 52.5% 5 and 47.5%R d) 55% 5 and 45%R

Answer 1

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af Hz - OH bor Name ng first we choose six membered longest Carbon chain. = Now Paineple fonctional group is - OH. So In numbering Ist priosity is given to it - Now If we give no in clockwise direction - cl will get 3 2 CH3 will get s - If Anticlockwise CH3 = 2 r ce = 5 so due to small no Anti clockwise s prefered substituent are written alphobatecally so Now 5-chloro-2-methylkyklohexanal Ans (e)