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12th Standard English Medium Chemistry Subject p - Block Elements - II Creative 3 Mark Questions with Solution Part - I Question Bank Software Jun-21 , 2021

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12th Standard English Medium Chemistry Subject p - Block Elements - II Creative 3 Mark Questions with Solution Part - I

12th Standard English Medium Chemistry Subject p - Block Elements - II Creative 3 Mark Questions with Solution Part - I

12th Standard

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Chemistry

Time : 00:30:00 Hrs
Total Marks : 15
    5 x 3 = 15

  1. Explain the characteristic properties of hydrogen halides.

  2. Write the order of thermal stability of the hydrides of group 16 elements.

  3. Explain why the stability of oxoacids of chlorine increases in the order given below?
    HCIO < HCIO2 < HCIO3 < HCIO4

  4. CIF3 molecule has aT-shaped structure and not a trigonal planar one. Why?

  5. Predict the product
    (i) PCI5+ C2H5OH \(\longrightarrow \)?
    (ii) P4+ SO2Cl2 \(\longrightarrow \) ?
    (iii) POCl3 + H2O \(\longrightarrow \) ?
    (iv) HBr + PH3\(\longrightarrow \) ? :,
    (v) PCl3+ H2O\(\longrightarrow \) ?

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