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Match the proper pairs : {:(,[A],,[B]...

Match the proper pairs :
`{:(,[A],,[B]),((a),"Cyclo hexyl chloride",(e ),"Vinylic halide"),((b),"4-chloro pent-2-ene",(f),"Benzylic halide"),((c ),"Chloro ethene",(g),2^(@)" halide"),((d),"1-chloro 2-phenyl methane",(h),"Allylic halide"):}`

A

`a to g, b to h, c to e, d to f`

B

`a to h, b to f, c to g, d to e`

C

`a to f, b to e, c to g, d to h`

D

`a to e, b to g, c to f, d to h`

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The correct Answer is:
A
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Some physical quanties are given in Column I and some possible SI units in which these quantities may be expressed are given in Column II. Match the physical quantities in Column I with the units in Column II. {:(,"Column I",,,"Column II"),((A),GM_(e)M_(s),,(p),("volt")("coulomb")("metre")),(,G-"universal gravitational constant",,,),(,M_(e)-"mass of the earth," M_(s)- "mass of the sun",,,),((B),(3RT)/(M),,(q),("kilogram")("metre")^(3)("second")^(-2)),(,R-"universal gas constant,",,,),(,T- "absolute temperature, M- molar mass",,,),((C),F^(2)/(q^(2)B^(2)),,(r),("metre")^(2)("second")^(-2)),(,F-"force,"q-"charge," B- "magnetic field",,,),((D),(GM_(e))/R_(e),,(s),("farad")("volt")^(2)(kg)^(-1)),(,G- "universal gravitational constant,",,,),(,M_(e)- "mass of the earth," R_(e)- "radius of the earth.",,,):}

Explain the following observations: (a) Azide ion (N_(3)) react with 2- bromopentane thousand times faster than with neopentyl bromide in a S_(N)2 reaction through former isa secondary halide while latter is primary. (b) What will happen to teh stereochemistry of product of the following reaction: (c) What will happens to the rate if the concentration of alkyl bromide in (b) is doubled? (d) Wha will happen to the rate if the concentration of azide ion in (b) is doubled? (e) How the sign of optical rotation of reactant and product are related in (b) (f) When allowed to stand in dilute H_(2)SO_(4) laevo-rotatory 2-butanol slowly loss optical activity.

KUMAR PRAKASHAN-HALOALKANES AND HALOARENES-SECTION - E Multiple Choice Questions
  1. What is B in 3R-OH+PX(3)to 3R-X+B ?

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  2. Select the correct order of some important group for absolute configur...

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  3. Match the proper pairs : {:(,[A],,[B]),((a),"Cyclo hexyl chloride",...

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  4. How many number of sigma - bond pi - electron, chlorine atom and hydro...

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  5. What is 'X' in the following reaction ? CH(3)-CH(2)-Cl+KOH overset(CH...

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  6. Which of the following alcohols yields corresponding alkyl chloride on...

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  7. Arrange the following halides in increasing order of SN^(2) reactivity...

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  8. In following reaction what are P, Q, R and S. C(6)H(5)N(2)^(+)Cl^(...

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  9. Which is not a polyhalogen ?

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  10. Which of the following is used in fire extinguisher ?

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  11. What is the product of Wurtz reaction of methyl iodide ?

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  12. Which poisonous compound is formed if Chloroform is kept in open air ?

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  13. Which is the structural formula of ''Chloral'' ?

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  14. Ethanol reacts with thionyl chloride to gives -

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  15. How many sigma (sigma) bond and pi (pi) bond are present in benzene di...

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  16. Which reaction is used to prepare Toluene from chlorobenzene ?

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  17. What is the formula of ''Pyrene'' ?

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  18. Which reagent is used to prepare fluoromethane by Swartz reaction.

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  19. S(N)1 reaction undergoes in which type of fission ?

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  20. What is A & B ?

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