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Consider CHBrCIF as an example of a tris...

Consider `CHBrCIF` as an example of a trisubstituted methane. How many isomers would be possible if the geometry around carbon atom were square planar?

A

Four

B

Two

C

Three

D

Only one

Text Solution

Verified by Experts

The correct Answer is:
C

In first structure `f` is just opposite to `H`, in the second structure `CI` is just opposite to `H` and in the third structure `Br` is just opposite to `H`.
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Geometrical isomerism arises in heteroleptic complexes due to different possible geometrical arrangement of the ligands. Important examples of this behaviour are found with coordination number 4 and 6. Such isomerism is not possible for a tetrahedral geometry but it is possible for square planar as well as octahedral complexes. Optical square planar as well as octahedral complexes. Optical square planar as well as octahedral complexes. Optical isomers are mirror images that cannot be superimposed on one another. These are called enantiomers. Optical isomerism is common in octahedral complexes involving bedentate ligands. Which one of the following statements is false ?

R SHARMA-STEREOCHEMISTRY-Follow-up Test
  1. The spatial orientation of other atoms (or groups) around carbon atoms...

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  2. Consider CH(2)CI(2) or CH(2)BrCI as examples of disubstituted methanes...

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  3. Consider CHBrCIF as an example of a trisubstituted methane. How many i...

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  4. Light is an electromagnetic phenomenon. A beam of light consists ofmut...

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  5. Ordinary light oscillates inplane passing through the line of propagat...

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  6. Light whose vibrations take place in only one of the infinite number o...

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  7. Nicol prism used to convert ordinary light into plane polarized light ...

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  8. Ordinary light is turned into plane-polarized light by passing it thro...

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  9. An optically active substance is one thatthe plane of polarized light.

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  10. Which of the following factors affect the value of alpha(obs)? (i) S...

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  11. The specific rotation, [alpha], is expressed as

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  12. Calculate the specific rotation of coniine (the toxic component of poi...

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  13. The optical activity is the characterstic of

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  14. The necessary and sufficient condition for a compound to be optically ...

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  15. A carbon atom is chiral when

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  16. Which of the following atoms can be a chiral center in a given molecul...

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  17. Which of the following objects is chiral?

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  18. Which of the following compounds possesses a stereocenter?

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  19. The number of chiral centres present in 3,4-dichloropentan-2-ol is

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  20. Consider a hypothetical planar molecule with the formula A(2)B(2)X(whe...

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