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MODERN PUBLICATION-GROUP 17 ELEMNTS-EXCERCISE
- What happens when Cl2 gas is passed into aqueous solution of KOH ?
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- In halogen family which element forms strongest hydrogen bonds ?
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- How will you prepare Cl2 from NaCl ?
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- Arrange PH(3), H(2)S and HCl in order of increasing acidic strength. G...
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- Write two uses of potassium chlorate.
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- Write two uses of xenon tetrafluoride.
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- 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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