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ICSE-P-BLOCK ELEMENTS-EXERCISE (PART-II)(DESCRIPTIVE QUESTIONS)(SHORT ANSWER QUESTIONS)
- Why are halogens coloured?
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- Why F2 is the strongest oxidising agent, although it has lower electro...
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- Why are halogens strong oxidising agents?
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- Why does fluorine not form polyfluorides?
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- What are hallucinogens? Give their two examples. Mention their clinica...
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- Why does fluorine exhibit abnormal behaviour ?
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- Why special methods are employed for the preparation of HBr and HI ?
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- Explain the trends in property in halogen family as given under: (i)...
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- How will you account that when chlorine is pased through a fluoride so...
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- Fluorine is more electronegative than iodine atom, yet HF has lower ac...
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- State the trends observed in case of each of the following: (i) Oxid...
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- Give reasons for the following: (i) Binary compounds of oxygen and f...
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- What happens when : (i) Cl2 is passed through hot NaOH. (ii) Cl2 ...
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- Noble gases are relatively inert elements. Give reasons.
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- Why ease to liquefy noble gases increases with increase in atomic numb...
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- Give reasons which prompted Bartlett to react xenon with fluorine to f...
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- How are XeO(3) and XeOF(4) prepared?
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- Explain the following : Only higher members of group 18 of the perio...
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- Explain the following : Hydrogen fluoride is much less volatile than...
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- Explain the following : Interhalogen compounds are strong oxidising ...
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