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AAKASH SERIES-GROUP 17 ELEMENTS-EXERCISE - 3.2
- Iodine is liberated in the reaction between KI and Cu^(2+), but bromin...
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- Interhalogen compounds are more reactive than the corresponding haloge...
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- Phosphoric acid is preferred in place of sulphuric acid in the prepara...
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- Fluorine is called super halogen. Why?
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- How is chlorine prepared in the laboratory and on a commercial scale?
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- How does chlorine react with (a) Fe, (b) H(2)O and (c) H(2)S? Give equ...
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- Write the addition reactions of chlorine with (a) non-metal oxides and...
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- What makes gold to dissolve in aqua-regia?
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- How is chlorine used (a) in bleaching, (b) as disinfectant and (c) in ...
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- Ferric chloride FeCl(3) is stable, but ferric iodide Fel(3) is unstabl...
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- CIF(3) exists but not FCl(3). Substantiate.
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- HI is prepared from Nal, using H(3)PO(3) but not H(2)SO(4). Explain.
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- Mention the action of blue litmus by hypochlorous acid.
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- Although oxygen contentent is high in perchlorate, it does not act as ...
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- Red roses on exposure to moist chlorine permanently turns colourless. ...
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- Na(2)SO(3) + HCl rarr Na(2)SO(4) + H(2)O+X X + Na(2) S overset( Delt...
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- NH(4)Cl+NaOH rarr "(Gas A)", NaCl+H(2)SO(4)rarr "(Gas B)" Discuss th...
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- A metal halide X on treating with copper sulphate solution yields a br...
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- A liquid (A) is treated with Na(2) CO(3) solution. A mixture of two sa...
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- Gradual addition potassium iodide with nitric acid produces a dark bro...
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