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MODERN PUBLICATION-GROUP 17 ELEMNTS-EXCERCISE
- Why are halogen gases or volatile liquid or solid at room temp. ?
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- Why do noble gases form compounds with flourine and oxygen only ?
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- What is magnetic character of F2 ?
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- Give electronic configuration of chlorine atom.
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- Which halogen shows only one oxidation number in its compounds ?
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- Write two uses of flourine.
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- HF is less volatile than HCl.(True/False)
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- Write some uses of chlorine.
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- Melting point of NaCl is highest among NaF, NaCl, NaBr, NaI.(True/Fals...
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- HBr is stronger acid than HI. .(True/False)
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- Flourine is prepared by electrolysis. What is the liquid used and elec...
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- Electron affinity of flourine is less than that of chlorine Why ?
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- How will you convert SO2 into H2S ?
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- Glass apparatus is not used for isolation and storing of fluorine. (Tr...
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- Electron affinity of flourine is less than that of chlorine Why ?
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- Ketones can be prepared by :
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- Why HF cannot be stored in glass bottle ?
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- How bromine can be liberated from KBr Solution?
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- How many atoms of fluorine are there in 1.9 xx 10^(-6) gms of fluroine...
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- Which is oxidised in air?
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