practiceexam3 - 1 A B C D To convert a nitrile to a primary...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
1. To convert a nitrile to a primary amine you must: A) hydrolyze it with water. B) oxidize it with chromic acid. C) reduce it with hydrogen or lithium aluminum hydride. D) substitute it with an alkyl halide. 2. Rank the following three compounds in decreasing order of basicity. A B C NH 2 2 NHCCH 3 O A) C>A>B B) C>B>A C) B>A>C D) B>C>A 3. Which one of the following amines gives an N -nitrosoamine on treatment with nitrous acid, HNO 2 ? A) 2,4-dimethylaniline B) 3,5-dimethyaniline C) N ,4-dimethylaniline D) N , N -dimethylaniline 4. Which one of the following is not a resonance form of para -aminobenzaldehyde? 1) 2) 3) 4) 2 H O 2 H O 2 H O 2 H O A) is 1 B) is 2 C) is 3 D) is 4 Page 1
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
5. Which one of the following would not give an appreciable yield of Claisen condensation product? A) ethyl hexanoate B) ethyl 2-methylhexanoate C) ethyl 3-methylhexanoate D) ethyl 4-methylhexanoate 6. How many different Claisen condensation products are possible in the reaction of equal amounts of ethyl acetate (CH 3 CO 2 Et) and ethyl propanoate (CH 3 CH 2 CO 2 Et)? A) only one B) two C) three D) four 7. What is the product of the reaction shown below? DMSO heat NaCN H 2 O, H + Br CH 2 CO 2 H 2 2 H 2 H 2 2 2 H 2 2 H 1) 2) 3) 4) A) is 1 B) is 2 C) is 3 D) is 4 Page 2
Background image of page 2
8. Which of the following is the strongest acid? A) FCH 2 CO 2 H B) ClCH 2 CO 2 H C) BrCH 2 CO 2 H D) ICH 2 CO 2 H 9. Identify the lactone formed by the following hydroxy carboxylic acid. OH O O O O O O O O O 1) 2) 3) 4) A) is 1 B) is 2 C) is 3 D) is 4 10. Which one of the following has the best soap cleansing properties?
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 4
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 12

practiceexam3 - 1 A B C D To convert a nitrile to a primary...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online