ochem on 2009 sample ada test

[RING12]

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is it just me or any one else think the ochem stuff are hard in this sample exam?

can some one explain q.99, 97, 92, please?

My exam is in 3 days and I feel Im gonna do so poorly!

 

[dentsuccess3]

I need explanations to those too....anyone?

 

[MobiusStrip]

Holy confusing... unless they only want a few steps out of the multistep synthesis for 99 Im not sure on how C is correct with no clear method of the bromines being introduced.

 

[molar3]

i took this exam too and i was so confused wth was going on, i thought i knew my orgo really well and i got a freakin 19 on the sample test, i was so pissed off!!
and i cant answer your questions bc i dont even understand # 97 or # 99 but for # 92, the answer is C because out of the carboxylic acid derivatives, amides are the least reactive so itd be hydrolyzed the slowest since its least reactive