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MODERN PUBLICATION-p-BLOCK ELEMENTS-EXERCISE
- Give reasons for the following: Moist chlorine is powerful bleaching a...
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- Describ chemistry of manufacture of ammonia by Haber's process and dis...
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- What are interhalogen compounds ? Give example.
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- What are noble gases? Why are they named so? Account for the fact that...
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- Account for the following: Acidic character increases from HF to HI.
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- Account for the following: There is large difference between the melti...
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- Account for the following: Nitrogen does not form pentahalide.
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- Draw the structure of the following : CIF3
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- Draw the structures of the following molecule : XeF4
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- Which allotrope of phosphorus is more reactive and why ?
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- How are the supersonic jet aeroplanes responsible for the depletion of...
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- F2 has lower bond dissociation enthalpy than Cl2. Why?
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- Which noble gas is used in filling balloons for meteorological observa...
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- Complete the reaction :XeF2+ PF5 rarr ?
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- Give the structure and basicity of H3PO4.
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- SF6 is known but SCl6 is not known. Explain.
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- Give the shape of IF7.
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- Why nitric acid acts as an oxidising agent ? How it oxidises: Carbon t...
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- Why nitric acid acts as an oxididing agent? How it oxidises: Sulphur t...
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- Give the structure of XeOF4 and state of hybridization of Xe in it.
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