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Am i correct about these organic chem questions?

The major product of this reaction, http://tinypic.com/r/2h5pf9l/5

I think its II or I but im leaning towards II.

List these compounds in increasing level of oxidation, http://tinypic.com/r/353bn1l/5

I think its III, I, II or I,III,II

Which of these are aromatic, http://tinypic.com/r/efxb8/5

i know the answer is II but I dont see why I is wrong.

When toluene undergoes para bromination which would be the most stable, http://tinypic.com/r/drau4g/5

Im stuck between III and IV but im pretty sure its III

Any help and explanations would be great

2 Answers

Relevance
  • 9 years ago
    Favorite Answer

    a) I agree it is 2.

    b) 2>1>3

    c) 2. 1 has a CH2 interupting the resonce structures.

    d) It is 3.

  • ?
    Lv 4
    4 years ago

    nicely, i think of is C. Why? Br is larger than Cl using fact it has a bigger molecular Weight than Cl hence, it could reason assorted steric consequence (look into the three-d conformation) on the molecule increasing the flair potential on the device arising unstability on the device.

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