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pishuonlain [190]
3 years ago
7

Identify the appropriate reagent (A-H) you would use to accomplish the given transformation. A. MeONa B. H2, Pt C. t-BuOK D. 1)

Hg(OAc)2, H2O; 2) NaBH4 E. HBr F. HBr, ROOR G. HCl H. 1) BH3-THF; 2) H2O2, NaOH

Chemistry
1 answer:
Aleksandr-060686 [28]3 years ago
3 0

(See full question in attachment)

Answer:

A. MeONa

Explanation:

One of the methods to prepare alkenes are eliminations.

The E2 reaction (for elimination, bimolecular) occurs when an alkyl halide  is treated with a strong base, such as hydroxide ion or alkoxide ion (RO⁻).

It is the most common mechanism that occurs for an elimination.

The methoxide ion is a strong base that will attack the neighboring hydrogen of the halide ion and will start removing H⁺ at the same time that the double bond of the alkene begins to form and the group X begins to leave.

Then, the neutral alkene is produced  when the  C – H link and X group has left  with the electron pair of the bond  C – X (mechanism in attachment).

Therefore, MeONa would be an appropiate reagent.

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Use the question marck Moles of CO2
The the giving = 0.624 mol O2
Find the CF faction = 1 mole=  32.00 of O2

O= 2x16.00= 32.00amu ( writte this in the cf fraction)
SET UP THE CHART
Always start with the giving

0.624 mol O2    /  1mol of CO2
___________  / _____________ = Cancel the queal ( O2)
                       / 32.00c O2
                      /
                     /
Multiply the top and divide by the bottom 
0.624 mol CO x 1mol CO2 = 0.624 divide by 32.00 O2 =0.0195
You should look at the giving number ( how many num u gor ever there) 
Ur answer should have the same # as ur givin so 
= 0.0195 
= .0195 mol of CO2
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