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Chemistry Forums for Students => Organic Chemistry Forum => Topic started by: Steenrod on October 05, 2012, 11:02:27 AM

Title: Which alcohol cannot be formed?
Post by: Steenrod on October 05, 2012, 11:02:27 AM

Which alcohol with the forumula C_4H_10 O cannot be prepared by the reduction of aldehyde or ketone?

Thanks!

Title: Re: Which alcohol cannot be formed?
Post by: discodermolide on October 05, 2012, 11:09:29 AM

Draw out the possible isomers for C₄H₁₀O and you should be able to see for yourself which one cannot be prepared.

Title: Re: Which alcohol cannot be formed?
Post by: Steenrod on October 05, 2012, 11:12:57 AM

Is it 2-methyl propan-1-ol? (I do not much chemistry and I have 0 confidence while answering questions)

Title: Re: Which alcohol cannot be formed?
Post by: discodermolide on October 05, 2012, 11:18:16 AM

No that can be prepared by reduction of isobuteraldehyde.
I would say it is 2-methylpropan-2-ol. Draw it out and confirm this.

Title: Re: Which alcohol cannot be formed?
Post by: sjb on October 05, 2012, 11:19:17 AM

Quote from: Steenrod on October 05, 2012, 11:12:57 AM

Is it 2-methyl propan-1-ol? (I do not much chemistry and I have 0 confidence while answering questions)

No, try again. If you reduce an aldehyde, what kind of alcohol results? What about reducing a ketone?