44. Identify the Lewis base in the following reaction. FeBr3 Br2 FeBr4 Br II II IV А) I B) II C) I D) IV

Q: Fe+AgC2H3O2

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Q: Question 15

A: The given reaction is:

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Q: H3C CH3

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A:

Q: What is the correct answer choice?

A: The correct option is OPTION II. NaCN; H3O+  The acid catalyzed mechanism follows as

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A: -> NaNH2 is base which can abstract most acidic hydrogen from terminal Alkyne and form…

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Q: Answer choices :  100.0% H  100% O  33.3% H  66.6% C  33.3% O 33.3% C 40.9% C 11.3% H 22.1% O

A:

Q: +2 NH₂

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Q: 37. Which is NOT a resonance form of the arenium ion intermediate in the reaction? CI AICI3

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Q: Don't use hand raiting please

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A: Ring opening epoxide reaction.  Strong nucleophiles attack at the less substituted carbon atom.

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A: Bases are the substance which gives OH- ions or accepts H+ in their aqueous solution.

Q: Draw cl2 at -40 temperature

A: We will draw the structure of Cl2 molecule at -40 temperature .

Q: . ~C=CH 19-BBN 2.H₂O₂, H₂O, NalH 7 1. NaH 2. "Br 1

A: Note: Since you have asked multiple questions, we will solve the first question for you. If you want…

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Q: 21. What is the pH and percent ionization in a 0.145 M solution of sulfurous acid?

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Q: 2 by NaOH H₂O

A:

Q: Answer choices  33.3% H  60.0% H 33.3% C 40.0% C 53.3%  O 60.0% O 68.2% C 33.3% O 7.0% H

A: Combustion reaction of unknown compound  CxHyOz + O2 ...> CO2 + H2O  Total Mass of substance =…

Q: H3CH₂CH₂CO OC(CH3)3 1) LiAlH4, Et₂O 2) D₂O HO 1) LiAlD4, Et₂0 2) H₂O 1) LiAlH4, Et₂O OCH(CH3)2 2)…

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Q: 5. Look at this figure from Blankenship's book, Molecular Mechanisms of Photosynthesis. You can see…

A: Given structure and the labelled carbon:

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A: Since you have posted multiple unrelated questions, we are entitled to answer the first only.