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11th Standard English Medium Chemistry Subject Basic Concept of Organic Reactions Creative 5 Mark Questions with Solution Part - II

11th Standard

    Reg.No. :
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Chemistry

Time : 00:30:00 Hrs
Total Marks : 25
    5 x 5 = 25
  1. Explain the types of substitution reaction ?

  2. For the following bond cleavages use curved-arrows to show the electron flow and classify each as homolytic or heterolytic fission. Identify reactive intermediate produced as free radical, carbocation and carbanion ?
    (a) \({ CH }_{ 3 }O-O{ CH }_{ 3 }\longrightarrow { CH }_{ 3 }\overset { \bullet }{ O } +{ CH }_{ 3 }\overset { \bullet }{ O } \) 
    (b)

    (c)

    (d)

  3. An organic compound (A) has a molecular formula C2H60 it is one of the primary alcohol. A reacts with acidified potassium dichromate to give B. B on further undergoes to oxidation reaction to give C. C on reacts with SOCl2 to give D which is chlorinated product. Identify A,B,C and D, explain with equation.

  4. An organic compound (A) of a molecular formula C2H4 which is a simple alkene. A reacts with dil H2SO4 to give B. A again reacts with Cl2 to give C. Identify A,B and C and write the equations.

  5. Complete the reactions and identify the products.
    (i)

    (ii)
    \({ CH }_{ 3 }-\underset { \overset { | }{ Cl } }{ C } H-{ CH }_{ 3 }\overset { { H }^{ + }/{ K }_{ 2 }{ Cr }_{ 2 }{ O }_{ 7 } }{ \longrightarrow } A\overset { (O)) }{ \longrightarrow } B\)

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