Account for the following: Halogen are c...

Account for the following: Halogen are coloured.

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R G PUBLICATION-THE p-BLOCK ELEMENTS-EXERCISE

Nitrogen exists as diatomic molecule and phosphorous as P4.
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Name a aerosol that depletes ozone.
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Account for the following: Halogen are coloured.
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Why the noble gases have very low boiling points?
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Complete the folloiwng chemcial equation: KCIO3 overset(Delta) underse...
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Complete the folloiwng chemcial equation: AI2O3(s)+6HCI(aq) +9H2O(I) r...
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Mention one use each of Argon and Helium gases.
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Give reasons for the following: Nitrogen exhibits +5 oxidation state. ...
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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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