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Explain why does a S(N^2) reaction invol...

Explain why does a `S_(N^2)` reaction involve an inversion in configuration.

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Assertion : SN_(2) reaction of an optically active aryl halide with an aqueous solution of KOH always gives an alcohol with opposite sign of rotation. Reason : S_(N) reactions always proceed with inversion of configuration.

In the following S_(N)2 reaction

(i) Which alkyI hailde from the following pair is chiral and undergoes faster S_(N)2 reaction ? (ii) Out of S_(N)1 and S_(N)2 which reaction occurs with (a) Inversion of configuration (b) Recemisation

Write the reaction involved in N_2 - fixation

Consider the statements for given reaction 1. In the first step, there is breaking of C - O bond 2. The second step is S_(N)2 reaction 3. There is retention of configuration in the first step 4. There is inversion of configuration in the second step

Consider the ollowing statement about SN^(1) reaction (i) it is a bimolecular reaction (ii) it proceeds with retention as well as inversion of the configuration. (iii) It involves the fomrationn of an intermediate cabocation (iv) The reaction is carried in the presence of polar aprotic solvents

Explain why lonic reactions are very fast.

ICSE-ORGANIC CHEMISTRY : SOME BASIC PRINCIPLES AND TECHNIQUES -TRUE OR FALSE TYPE QUESTIONS
  1. In Duma's method, nitrogen is estimated as NH3.

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  2. Schiff's nitrometer used in Duma's method contains a KOH solution over...

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  3. Why does vanadium pentoxide acts as a catalyst?

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  4. One gram equivalent of a weak acid is unable to completely neutralise ...

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  5. Phosphorus is estimated as Mg3(PO4)2 in an organic compound. Yes/No?

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  6. Victor Meyer's method for determination of molecular mass is applicabl...

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  7. How is the molecular formula of a compound related to its empirical fo...

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  8. Chloroplatinate salts are very stable and do not decompose on heating.

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  9. C6 H5-group causes - l-effect when present in a saturated chain of car...

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  10. 1^@ alkyl groups cause greater + l-effect as compared to 2^@ alkyl g...

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

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  12. Mesomeric effect is a temporary effect. True or False.

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  13. Mesomeric effect involves delocalisation of pi-electrons of all the do...

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  14. Hyperconjugation effect comes into existence when a C-H bond is presen...

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  15. The central carbon in a free radical is sp^3 hybridised.

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  16. Carbocations are planar species.

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  17. The reactivity of carbanions follows the order 3^@ gt 2^@ gt 1^@ ...

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  18. What is the state of hybridisation of the central carbon in a carbocat...

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  19. Electrophiles are Lewis acids.

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  20. Explain why does a S(N^2) reaction involve an inversion in configurati...

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