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Write the two important minerals of fluo...

Write the two important minerals of fluorine.

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The correct Answer is:
Fluorspar `(CaF_(2))`; Cryolite `(Na_(3)AIF_(6))`
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Knowledge Check

  • Which among the following factors is the most important in making fluorine oxidizing halongen?

    A
    Hydration enthalpy
    B
    Ionisation enthalpy
    C
    Electrons affinity
    D
    Bond dissociation energy

  • Which among the following factors is the most important in making fluorine, the strongest oxidation halogen?

    A
    Bond dissociation energy
    B
    Ionisation enthalpy
    C
    Hydration enthalpy
    D
    Electron affinity

  • Which among the following factors is the most important in making fluorine the strongest oxidizing agent ?

    A
    Electron affinity
    B
    Ionization enthalpy
    C
    Hydration enthalpy
    D
    Bond dissociation energy
    • RESONANCE-P BLOCK ELEMENTS-PART -II
    1. Write the two important minerals of fluorine.

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    2. Name four oxyacids of chlorine. Give their molecular formulae.

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

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

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

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

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

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

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    9. Distillation of HBr and HBrO3 yields bromine gas.

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    10. Pl3 on hydrolysis yields H3PO3 and HI

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

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

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    13. Bleaching powder does not show oxidising properties.

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    14. Noble gases are parmagnetic in nature.

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

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

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    17. The atomicity of all halogens is ….

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

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    19. K2Cr2O7+HCl to KCl+CrCl3++

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

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