Buy Geometrical Isomerism Discussion Assignment

Buy Geometrical Isomerism Discussion Assignment
Buy Geometrical Isomerism Discussion Assignment
1. Which of the following compounds will not show
geometrical isomerism?
(a) BrCH=CHBr
(b) BrCH=CHCl
2. A molecule is said to be chiral
(a) if it contains plane of symmetry
(b) if it contains centre of symmetry
(c) if it cannot be superimposed on its mirror image
(d) if it can be superimposed on its mirror image
3. Which of the statements is false regarding chiral
(a) rotate the plane of polarized light
(b) have cis and trans isomers
(c) exist as enantiomers
(d) can be detected with a polarimeter
4. An optically active compound
(a) must contain atleast four carbons
(b) when in solution rotate the plane of polarized light
(c) must always contain an asymmetric carbon atom
(d) in solution always give a negative reading in polarimeter.
5. Plane-polarized light is affected by
(a) Identical molecules
(b) All polymers
(c) Chiral molecules
(d) All biomolecules
6. It is possible to distinguish between optical isomers
(a) by using chemical tests
(b) by mass spectrometry
(c) by IR spectroscopy
(d) by polarimetry
7. Optical isomers that are mirror images are called :
(a) Tautomers
(b) Diastereomers
(c) Enantiomers
(d) Metamers
8. Optical isomers that are not mirror images are called
(a) Diastereomers
(b) Enantiomers
(c) Metamers
(d) Meso compounds
9. Enantiomers have which of the following
(a) rotate ordinary light
(b) have the same melting point
(c) are superimposable mirror images
(d) react with optically active molecules at the same rate
10. Which of the following statements is false about
(a) rotate plane-polarized light
(b) are superimposable mirror images
(c) are nonsuperimposable mirror images
(d) have the same melting point
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