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USHA PUBLICATION-P-BLOCK ELEMENTS( GR-15,GR16,GR17,GR18)-EXERCISE
- Name the process employed for manufacture of NH3 from N2 and H2 .
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- Magnesium nitride on bolling with water forms .
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- Why is phosphoric acid syrupy in nature ?
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- Write the product formed when ammonia reacts with excess of chlorine.
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- Why is Iron passive with conc. NHO3 ?
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- What is the compound formed during brown ring test for nitrate.
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- Which oxide of nitrogen is paramagnetic ?
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- Write the structural formula of N2O5.
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- Write the allotropic form of phosphorus.
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- Which gas is produced when white phosphorus is boiled with NaOH soluti...
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- What is the role of MnO2 In the preparation of O2 from KClO3?
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- What is the covalency of 'N' in N2O5 ?
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- Why NCl5 is not formed?
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- Is PCl5 ionic or covalent in solid state?
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- Between NH3 and PH3 which has higher bond angle?
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- Why is red phosphorous is less than reactive white phosphorous ?
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- Explain why nitrogen is inert as compared to phosphorus.
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- Balance the following equation : Cu+HNO3 rarr Cu(No3)2 + H2O +NO
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- Between NH3 and PH3 which is stronger reducing agent?
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- Complete the equation : Ca3P2+H2Oto
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