Question

13. What is M for 2-butanone? a) b ) 85 d) 58 O c) 72 Grignard reagent added to a aldehyde and H30* 14. What is the product of a Grignard reagent added to a al a) amine b) imine c) alcohol d) ketone 15. A ketal is formed from a a) amine b) imine c) alcohol d) ketone and aldehyde 16. p-Nitrobenzoic acid contains how many NO, groups? a) O b)1 c)2 d) 3 17. The carboxylic acid pentanoic acid contains? a) S carbon atoms :2 oxygen atoms b) 4 carbon atoms :3 oxygen atoms c) S carbon atoms :0 oxygen atoms d) 6 carbon atoms ;2 oxygen atoms 18. What can convert a carboxylic acid to an alkoxide ion? a) BH/THF b) Lih, c), d) all of the above 19. What is the product of the following reaction: Benzoic acid + 1) LiAlH. 2) H.O a) Phenol b) benzyl alcohol c) toluene enem d) benzaldehyde 20. A ketone undergoing a hydration reaction with H2O produces? a) geminal diol b) cyanohydrin LO c) hydroxyamine d) cyclic alkane 21. A ketone reacting with a primary amine and H produces? a) imine b) amine c) amino d) no reaction 22. The product of a Birch Reduction contains how many sp hybrid carbons? a) 4 b)2 c) 6 d) 3 23. What kind of functional group would be in the final product of following reaction? 1) NaBH 0- H 2) H30 c) ketone a) alcohol b) aldehyde d) no reaction 24. What is the type of the following reaction, cyclohexanone + aniline a) tertiary amine b ) enamine c) imine ? d) quaternary amine

Answer 1

te - 2e (m/2=72) since molar mass of 2-Butanone is 72 g/mol. Mt peak of 2-Butanone will be 72 Option-cl O R.Mg BY OH RAH (Aldehyde) (alcohol) Thes, we get an alcohol con grignard reaction of aldehyde. [option-C/v R!

p -OH 15) 0 BLR Ketone Pre" RAR ketal Ketals are formed by nucleophilie addition of alcohols to Ketones. Thus, Option-DJ- Cool b-ritrobenzoic acid has only 1 - retro geoup. It is clear from figure. Lophion-B v чон 121 Pentanoic and o clearly, hentanoic acid contains 5-(-atoms and 2-0-atoms (Option Ar