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USHA PUBLICATION-D- AND F_BLOCK ELEMENT & CO-ORDINATION COMPOUND -EXERCISE
- Arrange the halogen acids in increasing order of their acidic strength...
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- What happens when phosphorous acid is heated ?
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- Why is oxygen a gas sulphur a solid at while room temperature ?
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- Explain that bleaching action of CL2 is permanent, while that of SO2 i...
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- What are the interhalogen compounds?Give examples.
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- Give an example of interhalogen compound of chlorine.
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- Why does xenon form compounds only with fluorine and oxygen ?
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- Explain why the reducing power for the hydrides of Gr-15 increases dow...
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- How does ozone react with SnCl2
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- What happens when Nal is heated with conc. H2SO4 ?
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- Give the principle of manufacture of H2SO4 by contact process.
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- What happens when SO2 gas is passed through acidified K2Cr2O7 solution...
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- What happens when NH3 gas is passed through copper sulphate solution f...
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- What happens when SO2gas is passed through lime water first slowly and...
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- Why is H2SO4 called as king of the chemicals?
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- What happens when Cl2 gas is passed through hot concentrated solution ...
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- What do you mean by tailing of mercury ?
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- Write the anomalous properties of fluorine.
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- On the basis of VSEPR theory explain the shape of BrF3 molecule .
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- HF can form the salt KHF2 while HCl does not form KHCl2. Explain.
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