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akhl

@akhl

Dazzler

Posted: 14 years ago

#301

Tinypic has erased all your images. 😒

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akhl

@akhl

Dazzler

Posted: 14 years ago

#302

Originally posted by: Miggi

Yea, I made a mistake in drawing the structure. All bonds are single but there is Br(bromine) instead of methyl(CH3) on the down side

CH3 CH3

- /

CH3 - -

-

Br

Something Like this and its reacting with water not hydronium ion.

Replace Br by OH. That will be one product. The other product is HBr

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Sonia

@Miggi

Inactive

Posted: 14 years ago

#303

I have uploaded it again. Can you check #3 and 4 again as they are wrong.

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Sonia

@Miggi

Inactive

Posted: 14 years ago

#304

hey I did add OH for the last question and answer is not right. That's why I was confused.

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akhl

@akhl

Dazzler

Posted: 14 years ago

#305

So you removed Br and put OH in its place? If so, then the answer should be correct.

But if it does not work, then try replacing Br by H2O+ (May be website expects it as OH2 + or some other way.)

This is because Br is replaced by H2O+ in the first stage and may be you have to answer only for the first stage.

Seeing other questions.

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Sonia

@Miggi

Inactive

Posted: 14 years ago

#306

Originally posted by: akhl
So you removed Br and put OH in its place? If so, then the answer should be correct.
But if it does not work, then try replacing Br by H2O+ (May be website expects it as OH2 + or some other way.)

This is because Br is replaced by H2O+ in the first stage and may be you have to answer only for the first stage.

Seeing other questions.

It still is wrong. It just says the reaction is SN1 and product is neutral. 😭

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akhl

@akhl

Dazzler

Posted: 14 years ago

#307

Yes the reaction will be SN1 because of steric hindrance. But the result should be the alcohol i.e. replace Br by OH.

I am really not sure why this is saying wrong?

Both SN1 and SN2 will give the same final product. The difference is in the mechanism. But question is not asking about mechanism.

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akhl

@akhl

Dazzler

Posted: 14 years ago

#308

See this image. Is this the answer you entered?

Note that there will be both substituion and elimination reactions. But I have given result for only substitution because question mentions substitution.

Edited by akhl - 14 years ago

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akhl

@akhl

Dazzler

Posted: 14 years ago

#309

There will be both SN1 and E2 reactions.

SN1 reaction will produce what I wrote in previous post.

E2 reaction will produce 2-methyl-2-butene as shown below.

In fact, this 2-methyl-2-butene wll be the major product.

Edited by akhl - 14 years ago

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Sonia

@Miggi

Inactive

Posted: 14 years ago

#310

Hey! Thanks for your help. 1st one was right. the website required to put a C at the middle and that was causing a problem. Can you please try to solve other q's too as they are due by tomorrow?

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