Functional Group Alkane (C-H) Alcohol (0-H) Alkene (C=C) (C=C-H) Alkyne (C=C) (C=C-H) Nitrile (C=N) Aromatics Amines (N-H) Carbonyls (C=0) Aldehyde (CHO) Ketone (RCOR) Ester (RCOOR) Acid (RCOOH) IR Absorptions of Common Functional Groups Absorption Location (cm) 2,850-2,975 3,400-3,700 1,640-1,680 3,020-3,100 2,100-2,250 3,300 2,200-2,250 1,650-2,000 3,300-3,350 1,720-1,740 1,715 1,735-1,750 1,700-1,725 Absorption Intensity Medium to strong Strong, broad Weak to medium Medium Medium Strong Medium Weak Medium Strong 11 |→→→→→►|H- 9.0-10.0 10 9 8 6.5-8.0 7 6 4.5-6.0 -0- 5 It i -H -H CI-C-H 3.2-4.2 4 Br -H|- -H|| 2.1-2.6 -H|| 2.3-2.9 3.3-4.2 3 2.2-4.2 2.7-4.2 -H| 1.6-2.8 2.3-3.0 -H|→ 0.7-1.7 2 1 8 0 (ppm)

Solved: Functional Group Alkane (C-H) Alcohol (0-H) Alkene (C=C) (C=C-H) Alkyn

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functional group alkane c h alcohol 0 h alkene cc cc h alkyne cc cc h

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Functional Group Alkane (C-H) Alcohol (0-H) Alkene (C=C) (C=C-H) Alkyne (C=C) (C=C-H) Nitrile (C=N) Aromatics Amines (N-H) Carbonyls (C=0) Aldehyde (CHO) Ketone (RCOR) Ester (RCOOR) Acid (RCOOH) IR Absorptions of Common Functional Groups Absorption Location (cm) 2,850-2,975 3,400-3,700 1,640-1,680 3,020-3,100 2,100-2,2