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R G PUBLICATION-THE p-BLOCK ELEMENTS-EXERCISE
- Give reasons for the following: Sulphur vapour is paramagnetic.
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- Give reasons for the following: Moist chlorine is powerful bleaching a...
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- Complete the following reactions: P4 + 3NaOH + 3H2O rarr?
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- Complete the following reactions: 2F2(g) + 2H2O(l) rarr?
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- Describe the manufacture of ammonia by Haber's process with favourable...
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- Draw the structure of the following molecules and mention their shapes...
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- Draw the structures of the following molecules: H3PO3
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- Name the catalyst used for conversion of SO2 to SO3 in the contact pro...
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- How do you account for the reducing behaviour of H3PO2 on the basis fo...
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- When HCI reacts with finely powdered iron, it forms ferrous chloride a...
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- What are interhalogen compounds? Give a method of preparation of any ...
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- Give reasons for the following: Bleaching by chlorine is permanent, wh...
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- Give reasons for the following: NH3 acts as a Lewis base.
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- Give reasons for the following: NO2 dimerises.
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- Give reasons for the following: In the reaction between HCI and powder...
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- Give a laboratory method of preparation of dinitrogen.
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- Complete the following chemcial equations: Mg+N2 overset(heat)(rarr)
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- Complete the following chemcial equations: Ba (N3)2 rarr …+…
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- Complete the following chemcial equations: (NH4)2Cr2O7 overset(heat) (...
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- Why HNO2 behaves as oxidising as well as reducing agent?
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