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MODERN PUBLICATION-GROUP 17 ELEMNTS-EXCERCISE
- 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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- The electronic configuration of halogen is
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- What is most electropositive halogen?
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- Explain what happens when HCl gas is passed through concentrated NaCl ...
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- HF is less volatile than HCl. Explain.
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- Discuss about the order of electron affinity of halogen elements.
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- How Buna-S is synthesized ?
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- What happens when H2O2 reacts with Cl2?
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- What happens when ethanol is treatd with conc. H(2)SO(4) at 443 K
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- Write the order of increase of oxidising power of halogens.
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- Explain why current carrying loop behaves as a magnetic dipole.
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- HF is a liquid whereas HCl is a gas. Explain.
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- What happens when NH3 is treated with chlorine in small quantity?
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- Between HBr and HI which is more easily oxidised?
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- molecules of:
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- What happens when NaCl is treated with sulphuric acid in presence of M...
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