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Among the cyclic ions the aromatic ...

Among the cyclic ions

the aromatic character is shown by :-

A

P and S

B

Q and S

C

Q and R

D

P,Q,R and S

Text Solution

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The correct Answer is:
C
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ALLEN-TEST PAPERS-PAPER 3
  1. In the above reaction 'X' stands for

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  2. The strongest base among the following is

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  3. Among the cyclic ions the aromatic character is shown by :-

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  4. Which of the following pairs of compounds are not isomers:-

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  5. Number of chiral center of the given compound:-

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  6. The IUPAC name for the compound

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  7. The decreasing order of stability of following cations is :-

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  8. In which of the following coordination entities the magnitude of Delta...

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  9. If two waves represented by y1=4sinῳt and y2= 3sin(ῳt+π/4) interfere a...

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  10. Mg liberates H(2) on reaction with

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  11. Give reasons for the following: Aluminium is used in flash bulbs.

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  12. The number of geometrical isomers for octahedral [CoCl(4)(NH(3))(2)]^(...

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  13. Among the following, the compound that is both paramagnetic and colour...

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  14. Cyanide process is used for the extraction of

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  15. The chemical composition of slag formed during the smelting process in...

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  16. Compare x and y bond angle from the above given molecules.

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  17. Which of the following elements will have highest ionisation energy?

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  18. Arrange BF3, BCl3, B Br3, BI3 in the decreasing order of Lewis acid ch...

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  19. Which of the following hydra acid exist in liquid state and can't be s...

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  20. Correct mathc is :

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