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what is the number of hydrogen signals expected in CH3CH3, CH3COCH3, and CH3CH2CH2COH?

what is the number of hydrogen signals expected in CH3CH3, CH3COCH3, and CH3CH2CH2COH?

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Answer #1
  1. CH3CH3: this is a formula for ethane where all protons are equivalent with respect to each other so we will get one signal corresponding to all six protons.
  2. CH3COCH3: In this chemical formula of Acetone both methyl protons are equivalent with respect to carbonyl group in the middle. Hence this compound will also give one signal for all 6 protons.
  3. CH3CH2CH2COH: This is a formula for butyl aldehyde. This compound contains 4 different types of proton.
  1. Aldehyde proton from COH group
  2. One doublet signal for CH2 protons attached to Carbonyl carbon
  3. Second Doublet for CH2 attached to CH2 group
  4. Triplet signal for 3 protons from last methyl group in butyl aldehyde formula.

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