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MODERN PUBLICATION-p-BLOCK ELEMENTS-EXERCISE
- How would you account for the following : Sulphur has a great tendency...
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- Why ammonia is a stronger base than phosphine?
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- Why SF6 is known but OF6 is not known
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- Why is phosphorus solid and reactive, bnut nitrogen is a gas and inert...
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- Why SF6 is known but SH6 is not known ?
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- Answer the question in one word- Name that alloy which is made up of z...
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- Answer the following question in one word- Name one alloy which is use...
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- Nitrogen forms number of oxides in different oxidation states. Write t...
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- Boiling point of H2O (373 K) is very much higher than that of H2S (213...
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- You have seen number of artificial ornaments in the market. Can you te...
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- Answer the following question with one word- Name one alloy which is m...
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- In which ràtio conc. hydrochloric acid and conc: nitric acid to form a...
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- Discuss the shape of P4O6.
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- whay does nitrogen not form NCl5.
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- Discuss the shape of SF4?
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- Halogens are highly reactive. Explain.
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- Complete the reaction :XeF2+ PF5 rarr ?
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- Compare the acidic strength of HClO4, HClO3, HClO2, HClO. Give reasons...
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- What happens when PCl5 is heated . Write the reactions involved.
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- What happens when H3PO3 is heated?
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