Which molecule below has a significant band in the IR at 2220 cm^-1 (medium)? (C

Question

Which molecule below has a significant band in the IR at 2220 cm^-1 (medium)? (CH_3)_3N CH_3CH_2CH_2OH CH_3CO_2CH_2CH_3 CH_3C CCH_2CH_3 CH_3CH_2H(NH_2)CH_3 Which of the following characterizes the reactions of aldehydes and ketones? electrophilic substitution nucleophilic acyl substitution nucleophilic addition; free radical addition electrophilic addition Which of the following compounds is an ester? In nucleophilic acyl substitution,: addition to the carbonyl by a nucleophile is followed by loss of the leaving group. ester hydrolysis is followed by deprotonation. protonation of the carbonyl is followed immediately by loss of the leaving group. loss of the leaving group is followed by rearrangement of the carbocation. an S_N2 reaction occurs.

Explanation / Answer

31

2220 cm-1 medium peak is for alkyn estreching

find the where alkyne is there

option D is the correct answer

32

option C is the correct answer

33

general formula for ester is

R-CO-OR is the ester

so option A is correct answer

34

option A is the correct description of acyl nucleophilic substitution

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