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When is a molecule said to be dissymmetr...

When is a molecule said to be dissymmetric ? Give a brief account of the elements of symmetry.

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chiral, plane, centre
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ICSE-ORGANIC CHEMISTRY : SOME BASIC PRINCIPLES AND TECHNIQUES -FILL IN THE BLANK TYPE QUESTIONS
  1. Plane polarised light is obtained by passing the ordinary light throug...

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  2. Molecules whose mirror image is non-superimposable over them are known...

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  3. When is a molecule said to be dissymmetric ? Give a brief account of t...

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  4. The process of separation of a recemic mixture into d- and 1- componen...

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  5. The net optical rotation of meso-tartaric acid is ......... due to ......

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  6. Prussian blue is ........

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  7. When an organic compound contains a halogen along with N and S, haloge...

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  8. The yellow precipitate obtained in the detection of phosphorus is .......

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  9. In the estimation of nitrogen by Kjeldahl's method, the compound is he...

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  10. In the estimation of sulphur by Carius method, sulphur is oxidised to ...

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  11. Victor Meyer's method makes use of the fact that ............ gram mol...

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  12. Molecular mass of an acid = Equivalent mass x ......

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  13. Inductive effect involves

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  14. The + l-effect of alkyl groups is in the order ........ gt 2^@ gt ....

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  15. Electromeric effect is a .......... effect and involves transfer of .....

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  16. Among -OH and gt C=0 , the group causing + M-effect is .......... gro...

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  17. Why is a 3 free radical more stable as compared to 1^@ and 2^@ free r...

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  18. The central carbon in a carbocation is .......... hybridised.

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  19. What are carbocations ? Discuss their orbital structure and explain th...

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  20. In a singlet carbene, the lone pair of electrons is present in a ........

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