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SHARAM PUBLICATION-GROUP 15 ELEMENTS (NITROGEN FAMILY-EXERCISE
- Which catalyst is used in the manufacture of ammonia by Haber's proces...
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- What is the basicity of H(3)PO(4) ?
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- Name the catalyst used in the manufacture of nitric acid by Ostwald pr...
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- Among Sb H3, PH3 , NH3 and AsH3 which is least basic ?
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- Why NCl5 is not formed?
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- Why is N(2) , less reactive at room temperature?
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- Among Sb H3, PH3 , NH3 and AsH3 which is least acidic?
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- What happens when (NH4)2 ,Cr2O7 is heated ?
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- Which allotrope of phosphorus is more reactive and why?
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- What is the oxidation number of P in (H2 PO4)^(1-) ?
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- Why is white phosphorus kept under water ?
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- Which gas is librated when NH4 NO2 is heated ?
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- Between nitrogen and phosphorus, which has more catenating property ?
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- Fill in the blanks : With excess of Cl2 ammonia forms …………
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- Nitrogen does not form pentahalides. Why?
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- Fill in the blanks : The formula of acidic nitrogen hydride is ………….
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- Fill in the blanks : The P- P-P angle in P4 molecule is …………..
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- Fill in the blanks : ……………. Is obtained when white phosphorus is heate...
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- Fill in the blanks : As2O3is …………….. While Sb2O3 is ………. .
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- Fill in the blanks : Red phosphorus is ………… reactive than white phosph...
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