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MODERN PUBLICATION-GROUP 15 ELEMENTS-EXERCISE
- What substance is used for dying ammonia gas ?
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- What is anhydride of nitric acid?
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- What is the bond angle in the molecules of ammonia ?
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- Write the formula of nitric anhydride.
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- What is the bond angle in NH4^+ ion ?
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- Why does NH3 form hydrogen bond but PH3 does not ?
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- Give the disproportionation reaction of H(3)PO(3).
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- Among C Cl4, BF3, NH3 and CO2, Which one has net dipole moment and why...
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- Why does R(3)P=O exist but R(3) N=O does not (R = alkyl group)? Gi...
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- Fill in the blanks : Red phosphorus is ………… reactive than white phosph...
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- Why is BiH(3), the strongest reducing agent among all hydrides of grou...
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- Why does NO(2) dimerises.
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- 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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