A Level Chemistry 9701/11/O/N/20 Q37
The structure of compound R is shown.
Which statements about compound R are correct?
1 It has an Mr of 116.
2 It contains two groups that show strong absorptions between 1640 and 1740 cm–1 in its infrared spectrum.
3 Its only infrared absorption between 2500 and 3000 cm–1 is sharp and strong.