The reaction of 2-pentyne with Na/NH3 gives the following
product:
(1) cis-2-pentene
(2) trans-2-pentene
(3) 1-pentyne
(4) pentane
The reaction of 2-pentyne with Na/NH3 gives the following product: (1) cis-2-pentene (2) trans-2-pentene (3) 1-pentyne...
5) The IUPAC name for CH3-CH2-C = C-CH3 is A) 3-pentyne B) 2-pentyne C) pentyne D) 1-methylbutyne. 6) What is the name of the compound shown below? H CHCH CEC H3CH A) 2-pentene B) trans-2-pentene C) trans-3-pentene D) cis-2-pentene 9) What is the name of the compound below? CH3 ΟΙ A) 1-chlorotoluene C) 3-chlorotoluene B) 2-chlorotoluene D) 4-chlorotoluene 17) What is the product when this compound undergoes oxidation? CH3 CH3 -C- CH2 - CH2-OH CH3 A) hexanal B) 2,2-dimethylbutanal C)...
1 11-15. Determine the relationship between the following pairs of compounds. 11 trans-2-pentene and cis-2-pentene A) structural isomers 12. trans-2-pentene and cyclopentane B) Enantiomers C) not related 13. hexane and 2-methybutane D) same molecule 14. trans-2-heptene and trans-2-hexene E) geometrical (cis/trans) isomers 15 glycerol and 1,2-ethandiol (stereoisomers)
Given Acetylene make cis-2-pentyne and trans-2-pentyne. Show full mechanism.
QUESTION 5 Which of the following reductions of an alkyne is NOT correct? O A. 2-Pentyne + 2H2/Pt → pentane O B. 2-Pentyne + H2/Ni2B + Z-2-Pentene O C. 2-Pentyne + Li/NH3(1) ► 2-2-Pentene D. All of the above are correct. O E. None of the above is correct.
Provide the following Draw cis 2-pentene Draw trans 2-pentene Draw a structural isomer 2-pentene Draw 2 alcohols that would produce 2-pentene with dehydration (you would get a mix of cis and trans) Draw a compound with 5 carbons that is not related to 2-pentene
Name the product of the following reaction. cis-3-Hexene. trans-3-Hexene. 1-Hexene. trans-2-Hexene. cis-2-Hexene. Addition of 2 mol of HCl to 1-butyne would yield: CH_3CH_2CH_2CHCl_2 CH_3CH_2CCI_2CH_3 CH_3CH_2CHCICH_2Cl CH_3CH_2CH=CHCI CH_3CHCICHCICH_3 In the presence of excess hydrogen bromide, what is the major product of the addition of HBr to acetylene? 1, 3-dibromoethane 1-bromoethane 1, 1-dibromoethane 1, 2-dibromoethane 2-bromoethane Which of the following compounds is the major product when 1-hexyne is treated with excess HBr? 1, 1-dibromohexane 1, 1-dibromohexene 1, 2-dibromohexene 1, 2-dibromohexane 2, 2-dibromohexane
Is cis-4-methyl-2-pentene makes stable carbocation reacting with HCl than trans-4-methy-2-pentene?
8. Which reaction is not stereospecific? Br2/CCI trans-2-Butene Br2/H2O cis-2-Pentene п trans-2-Hexene HBr III D2/Pd 1-Methylcyclohexene IV
#4. 2-pentene and 2-methyl-2-butene are not isomers stereoisomers constitutional isomers cis and trans isomers #6. Bromination of cyclohexene gives 1,2-dibromocyclohexane 1,1-dibromocyclohexane bromocyclohexane 1,2-dibromocyclohexene
What is the IUPAC name for the organic compound shown below? CH-CH O A. trans-2-pentene B. cis-2-pentane C. trans-2-butene D.2-butane E. cis-2-butene