Question

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40. Which is the correct IUPAC name for "isobutyl alcohol?" a) 1-butanol c) 2-butanol b) 2-methyl-1-propanol d)2-methyl-2-propanol e) none of these 41. In a phenol, which group is the substituent on the benzene ring? a) fluoro b) hydroxyl c) sulfhydryl d) carbonyl e ) carboxyl H,C-CH2OH 42. Which is the correct IUPAC name for this compound? HyC-CH-CH2-CH-CH, a) 2-ethyl-4-pentanol c) 4-ethyl-2-pentanol b) 3-methyl-5-hexanol d) 4-methyl-2-hexanol 43. Identify the electron group geometry at each of the carbon atoms indicated in the molecule below. CH2=CH-CH2-CH2-CECH 1 a) 1 - tetrahedral, 2 - tetrahedral, 3 - linear b) 1 - trigonal planar, 2 tetrahedral, 3 = trigonal planar c) 1 = linear, 2 = trigonal planar, 3 = linear d) 1 = linear, 2 tetrahedral, 3 - linear e) 1 = trigonal planar, 2 - tetrahedral, 3 = linear

Answer 1

(1) IUPAC mame for "isobutyl alcohol" 121 substitucht 2-methyl-1-Propanol In Phenol OH group is On benzene ring is called .. tiydroxyl group Hol CH₂ OH HG - ĆH CH ₂ -CH-CH3 31 (41 4 - Methyl-2 hexanol CH₂=CH-CH2 - CH2 - CICH I= trigonal Planar, a=tetrahedral 3= trigonal Planar