Page 91 - Practical-workbook-organic-3 isa
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❖ Choose the correct answer:
1. Which one of the following molecules will not show infrared spectrum?
a) H 2 b) HCI c) CH 4 d) H 2O
2. Which one of following structure is matched with this IR data IR (KBr, υ, cm ):
–1
–1
1740 cm ?
–1
3. Which one of following structure is matched with this IR data IR (KBr, υ, cm ):
3368, 3261, 1690 cm ?
–1
4. In IR spectroscopy, nitro group has two peaks due to:
a) Size of atoms.
b) Inductive effect.
c) Dipole moment.
d) Symmetric and asymmetric stretching vibration.
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