a. 5. Draw the product(s) of each addition reaction b. d. دھ HBr H2SO4, H₂O Bra, H2O a. 9-BBN b. H2O2, NaOH

Br. 21. CH3 H CH; The compound above can exhibit a. cis-isomerism only O b. trans-isomerism only c. both cis- and trans-isomerism O d. neither cis- nor trans-isomerism

Reaction A. NaOEt EIOH Incorrect Reaction B. (CH3,COK (CH3,COH Incorrect

If an alkyne has 10 hydrogen atoms with a single triple bond, how many carbon are in the structure? a. 4 b. 5 c. 6  d. 7

10. How many H-bonds can a secondary alcohol form? A. 3 B. 1 C. 2 D. 0

10.The reaction of excess Grignard reagent with an ester of formic acid, HCO2R, gives  a. methanol. b.a tertiary alcohol. c. primary alcohol d.secondary alcohol.

Which is the major organic product of this reaction? A. B. 4 ОА O OB O C COD AICI3 benzene C. D.

What is the IUPAC name for the following 2. What is the IUPAC name for the compound? following compound? u 1. ГОН 2-methylpentanoic acid 3-methylpentanoic acid 2-methylhexanoic acid 3-methylhexanoic acid None of these What is the IUPAC name for the following 4. compound? A. B. C. D. 3. A. B. C. D. E. sec-butyl ethanoate ethyl 3-methylpentanoate 3-methylbutyl ethanoate ethyl 3-methylbutanoate none of these A BUDE A. B. C. A. B. ABCDE What is the IUPAC name for the following compound? CI C. D. E. a-methylbutyryl chloride B-methylbutyryl chloride y-methylbutyryl chloride 2-methylbutanoyl chloride 3-methylbutanoyl chloride propanoic anhydride butanoic anhydride propionic anhydride pentanoic anhydride butyric anhydride

62. What is the product of this reaction? 1) H. of H. 2) H* C d. OH O H. H.

3. Choose the correct product of the dehydration of 4,4-dimethyl-3-hexanol(draw out the reaction). A. 4,4-dimethyl-2-hexene B. 3,4-dimethyl-2-hexene C. 4,4-dimethyl-1-hexene D. 3,3-dimethyl-4-hexene A B.