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FULL MARKS-P - BLOCK ELEMENTS - II-Additional Questions (2 Mark Questions)
- Mention the uses of hydrochloric acid ?
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- Complete the the following reaction? (i) BrF(5)overset(OH^(Theta))ra...
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- Why noble gases have the largest ionisation energy?
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- Mention the uses of Neon?
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- Give the uses of Krypton?
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- Mention the application of Xenon?
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- Give the uses of Radon?
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- Why arepentahalides more covalent than trihalides?
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- Why is N(2) less reactive at room temperature?
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- Why is IC l more reactive than I(2)?
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- Why is helium used in dividing apparatus?
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- Give the disproportionation reaction of H(3)PO(3)?
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- Why is red Phosphorus less reactive than white Phosphorus?
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- Nitrogen does not form any pentahalide like Phosphorus. Why?
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- Give reason for the following. Among the noble gases only Xenon is wel...
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- Why is hydrogen sulphide, with greater molar mass a gas, while water ...
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- Noble gases are chemically inert. Give reasons.
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- Why do noble gases exist as monoatomic?
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- Nitrogen exists as diatomic molecule and Phosphrus as P(4). Why?
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- Why is H(2)S more acidic than water?
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