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What is the colour of vapours obtained w...

What is the colour of vapours obtained when an iodide is heated with conc. `H_(2)SO_(4)` ?

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Violet
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RESONANCE-P BLOCK ELEMENTS-PART -II
  1. Name four oxyacids of chlorine. Give their molecular formulae.

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  2. Name the oxide of chlorine which has odd number of electrons and param...

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  3. What is the colour of vapours obtained when an iodide is heated with c...

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  4. Freshly distilled colourless HI (aqueous solution) gradually turns bro...

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  5. A certain compound (X) shows the following reactions. (i)When Kl is ...

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  6. Write is quantum mechanical liquid i.e. helium (II) ? Give its two imp...

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  7. Write down the formula of the noble gas species which are isostructura...

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  8. Distillation of HBr and HBrO3 yields bromine gas.

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  9. Pl3 on hydrolysis yields H3PO3 and HI

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  10. IO(3)^(-) + 6OH^(-)+Cl(2) to IO(6)^(5-) ("periodate")+3H2O+2Cl^(-)

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  11. HBr is a stronger acid than HI because of hydrogen bonding.

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  12. Bleaching powder does not show oxidising properties.

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  13. Noble gases are parmagnetic in nature.

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  14. Neon lights are visible even in fog and moist.

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  15. The high activity of fluorine is due to its …. Dissociation energy

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  16. The atomicity of all halogens is ….

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  17. Among halogen acids (hydrogen halides) ….. Is the strongest reducing a...

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  18. K2Cr2O7+HCl to KCl+CrCl3++

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  19. Iodine reacts with hot concentrated NaOH solution. The products are Na...

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  20. H2SO4+HI to ++

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