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MODERN PUBLICATION-p-BLOCK ELEMENTS-EXERCISE
- Express 1115 in roman numbers.
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- Express 1116 in roman numbers.
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- Express 1117 in roman numbers.
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- Express 1118 in roman numbers.
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- Express 1119 in roman numbers.
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- Express 1120 in roman numbers.
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- Express 1121 in roman numbers.
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- Express 1122 in roman numbers.
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- Give the structure and basiciy of H3PO3 (Phosphorus acid)
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- Give the disproportionation reaction of H3PO3.
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- What is the covalence of nitrogen in N2O5 ?
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- Draw the structure of H3PO2 and explain why it is monobasic.
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- Give a reason for chemical inertness of noble gases.
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- Answer the following question in one word- Name one alloy which is mad...
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- Give the structure and basicity of H3PO4.
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- Bi (V) is a stronger oxidising agent than Sb (V). Why ?
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- Why does nitrogen show catenation properties less than phosphorus ?
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- Explain the following : Fluorine does not show positive oxidation st...
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- Which is a stronger reducing agent, SbH(3) or BiH(3) , and why ?
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- Name two poisonous gases which can be prepared from chlorine gas.
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