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12th Standard English Medium Chemistry Subject Transition and Inner Transition Elements Book Back 2 Mark Questions with Solution Part - I Question Bank Software Jun-01 , 2021

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12th Standard English Medium Chemistry Subject Transition and Inner Transition Elements Book Back 2 Mark Questions with Solution Part - I

12th Standard English Medium Chemistry Subject Transition and Inner Transition Elements Book Back 2 Mark Questions with Solution Part - I

12th Standard

    Reg.No. :
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Chemistry

Time : 00:30:00 Hrs
Total Marks : 10

    Part I

    5 x 2 = 10

  1. What are transition metals? Give four examples.

  2. Explain the oxidation states of 4d series elements.

  3. Describe the preparation of potassium dichromate.

  4. What is lanthanoid contraction and what are the effects of lanthanoid contraction?

  5. Complete the following.
    a. 3MnO42- + 4H+ ⟶?
    b. C6H5CH3 \(\overset { acidified }{ \underset { KMnO_{ 4 } }{ \longrightarrow } } \)?
    c. MnO4- + Fe2+ ⟶?
    d. KMnO4 \(\overset { \triangle }{ \underset { Red\ hot }{ \longrightarrow } } \) ?
    e. Cr2O72- + 6I- + 14H+ ⟶?
    f. Na2Cr2O7 + 2KCl ⟶?

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