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SHARAM PUBLICATION-GROUP 15 ELEMENTS (NITROGEN FAMILY-EXERCISE
- Fill in the blanks : NH4 NO2 on heating gives ………… gas.
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- Fill in the blanks : …………… element of Gr - 15 is the most abundant in ...
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- Fill in the blanks : Aqueous solution of ammonia contains ……….. .
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- Fill in the blanks : The basicity of H3PO3 is …………
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- Fill in the blanks : The formula of pyrophosphorus acid is ………….
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- Fill in the blanks : In Brown ring test for NO3^(-) ion, Fe^2+ ion com...
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- Fill in the blanks : NH3 acts as a lewis base due to …………..
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- Fill in the blanks : The hydride of Gr 15 element used as refrigerant ...
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- How does ammonia react with a solution of Cu^(2+) ?
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- Mention the conditions required to maximise the yield of ammonia.
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- Write the reaction of thermal decomposition of sodium azide.
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- Why PH(3), has lower boiling point than NH(3)?
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- Why NO2 dimerise to N2O4 ?
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- PCl5 exists but NCl5 does not because,
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- Nitrogen does not form pentahalides. Why?
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- Why Bi does not form pentahalide ?
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- Why is NH3 more basic than PH3 ?
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- Account for the Phosphorous shows high tendency for catenation
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- Explain, why stability of +5 oxidation state decreases down the group ...
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- Why is H3PO3 dibasic , even though it contains three H-atoms ?
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