Question

Problem 184 2089 IR Spectrum (liquid film) 1682 4000 3000 1200800 2000 V (cm 1600 ) Mass Spectrum UV Spectrum log,€ > 4.0 % o

Please include the following information allow with the molecular structure of the unknown compound:

1. IR-Include the major peaks and indicate the stretch wavenumber and what bond it is.

2. UV-VIs- If there is a lambda max given, please briefly indicate what structural element is contributing to it.
3. HNMR-Include proton label, chemical shift, multiplicity, and integration.
4. CNMR- include the carbon label and the chemical shift.

Some additional information about the unknown compound:

Iodoform Test: Clear solution
Chromic Acid Test: Green ppt
Tollens Test: Silver deposits

Sodium Hydroxide Test: No change

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Answer #1

(1) molecular formula - COHGO Deasee of unsaturation = (2C+2-4)= (2(6)+2-6) (2) IR data 2089 cro 3 Conjugated-C=-osaikyne pre(5) I Humr data 2.0 (s, 3H) 3 8.5(s, 1H) 3 6.3(, 1H) 3 = fcly] c=CFH c=c-ção 10:(dilH) 7 =c-c=0 aldehy ele Protes vicinally c

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