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MODERN PUBLICATION-GROUP 15 ELEMENTS-EXERCISE
- PCl5 is known but PI5 is not known. Why ?
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- Which is a strong reducing agent ?
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- What is hydrogen bond ? How does it influence the properties of compou...
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- Why is N(2) , less reactive at room temperature?
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- What is the covalency of 'N' in N2O5 ?
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- Name two poisonous gases which can be prepared from chlorine gas.
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- What is the basicity of H(3)PO(4) ?
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- Why does nitrogen exist as a diatomic molecule and is a gas at room te...
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- Explain why NH(3), is basic, while BiH(3) , is only feebly basic?
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- Why Bi does not form pentahalide ?
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- H(3)PO(3) is
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- How are interhalogen compounds formed ? Give general formula.
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- Draw the structure of ovum.
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- The N-H bond in NH3 is:
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- An ionic compound is :
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- Strongest reducing agent is:
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- Why Bi does not form pentahalide ?
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- Draw the molecular structure of oleum.
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- Complete the following chemical equations : XeF(2)+PF(5)to
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- Phosphorus shows greater tendency for catenation than nitrogen. Give e...
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