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Does the rates of the reaction depend on...

Does the rates of the reaction depend on the amount of `delta^(+)` on the attacked C of RX?

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No, the amount of partial positive charge decreases with decrease in electronegativity of X in the order of F>Cl>Br > I. However, it is the reverse of the reactivities of RX. RI is most and RF is the least reactive.
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Of the following statements , which are true for S_(N)2 reaction. (a) Tertiar alkyl halides reacts faster than secondary. (b) The absolute configuration of product is opposite to that of the reactant when an optically active substrate is used. (c) The used shows first order kinetics. (d) The rate of the reaction depends markedly on the nucleophilicity of the attacking reagent. (e) The mechanism is one step. (f) Carbocations are intermediate. (g) Rate prop [Alkyl][halides] (h) The rate of the reaction depends on the nature of the leaving group.

ICSE-HALOALKANES AND HALOARENES -EXERCISE (PART - II DESCRIPTIVE QUESTIONS) (VERY SHORT ANSWER QUESTIONS)
  1. Arrange the halide ions in order of increasing basicity and nucleophil...

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  2. In terms of Lewis concept, categorise the reaction site C of RX.

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  3. Does the rates of the reaction depend on the amount of delta^(+) on t...

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  4. Supply formulae for the organic products from the reaction of CH3 C -=...

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  5. Supply formulae for the organic products from the reaction of CH3 CHCl...

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  6. Supply formulae for the organic products from the reaction of (CH3)2 C...

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  7. Give the structures of the main organic substitution products expected...

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  8. Give the structures of the main organic substitution products expected...

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  9. Give the structures of the main organic substitution products expected...

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  10. Give reagents (inorganic or organic), needed to convert benzyl bromide...

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  11. Give reagents (inorganic or organic), needed to convert benzyl bromide...

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  12. Give reagents (inorganic or organic), needed to convert benzyl bromide...

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  13. Give reagents (inorganic or organic), needed to convert benzyl bromide...

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  14. Give reagents (inorganic or organic), needed to convert benzyl bromide...

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  15. Give reagents (inorganic or organic), needed to convert benzyl bromide...

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  16. Give reagents (inorganic or organic), needed to convert benzyl bromide...

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  17. What is meant by plane polarized light?

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  18. What is optical rotation ?

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  19. Define specific rotation.

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  20. What is meant by chiral or asymmetric carbon?

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