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F(2) shows disproportionation reactions ...

`F_(2)` shows disproportionation reactions
(R ) `F_(2)` is the weakest oxidising agent and it is always reduced.

A

Both (A) and (R ) are true and (R ) is the correct explanation of (A)

B

Both (A) and (R ) are true and (R ) is not the correct explanation of (A)

C

(A) is true but (R ) is false

D

Both (A) and (R ) are false

Text Solution

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The correct Answer is:
D
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AAKASH SERIES-VII GROUP ELEMENTS-OBJECTIVE EXERCISE -4
  1. (A) Perhalate ions are tetrahedral in shape (R ) Halogens underdo sp...

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  2. (A) Iodine is least basic whereas fluorine is most basic , among halog...

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  3. F(2) shows disproportionation reactions (R ) F(2) is the weakest oxi...

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  4. (A) The bleaching of flowers by chlorine is permanent while that by SO...

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  5. (A) Halogens have maximum negative electron gain enthalpy in the respe...

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  6. (A) Electron gain enthalpy of fluorine is less than chlorine but fluor...

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  7. (A) Iodine does not react with water (R ) Reaction of iodine with wa...

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  8. (A) Fluorine exhibits only -l oxidation state (R ) Fluorine is calle...

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  9. (A) Among HX , HF is liquid while others are gases (R ) HF has stro...

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  10. (A) In HX , stability decreases down the group (R ) Bond dissociatio...

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  11. (A) Iodine oxides are more stable than chlorine and bromine oxides (...

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  12. (A) I(2)O(5) is used for the estimation of carbon monoxide in qualitat...

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  13. (A) SnCl(4) is more covalent than SnCl(2) (R ) Compound with higher...

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  14. (A) Sea is the greatest source of some halogens (R ) Halogens are h...

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  15. (A) Aqueous solution of chlorine is a bleaching agent (R ) In presen...

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  16. (A) Reaction of Cl(2) with hot and concen -trated NaOH is disproportio...

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  17. (A) The noble metals like gold ,platinum dissolved in aqua regia (R ...

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  18. (A) With HCl ,Fe forms FeCl(2)andH(2) (R ) Formed H(2) prevents the ...

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  19. (A) Fluorine forms only one oxyacid HOF (R ) Fluorine has small size...

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  20. (A) Acidic nature increases from HOCl to HClO(4) (R ) Oxidation num...

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