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CrO(3) dissolves in aqueous NaOH to give...

`CrO_(3)` dissolves in aqueous NaOH to give:

A

`Cr_(2)O_(7)^(2–)`

B

`CrO_(4)^(2–)`

C

`Cr(OH)_(3)`

D

` Cr(OH)_(2)`

Text Solution

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The correct Answer is:
B
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Cr)_(3) dissolved in aqueous NaOH to give:

Compound (A) C_(7)H_(8)O is insoluble in aqueous NaHCO_(3) and dissolves in aqueous NaOH and gives a characteristic colour with neutral FeCl_(3) . When treated with Br_(2) (A) forms compound (B) C_(7)H_(5)O Br_(3) . The structure of compound (B) would be :

Compound (A) C_(7)H_(8)O is insoluble in aqueous NaHCO_(3) and dissolves in aqueous NaOH and gives a characteristic colour with neutral FeCl_(3) . When treated with Br_(2) (A) forms compound (B) C_(7)H_(5)O Br_(3) . The most probable structure of compound A is :

Compound (A) C_(7)H_(8)O is insoluble in aqueous NaHCO_(3) and dissolves in aqueous NaOH and gives a characteristic colour with neutral FeCl_(3) . When treated with Br_(2) (A) forms compound (B) C_(7)H_(5)O Br_(3) . What could be the structure of compound (A) if neither dissolves in aq. NaHCO_(3) nor gives a characteristic colour with FeCl_(3) ?

CI_(2) reacts with hot aqueous NaOH to give

MOTION-Salt Analysis-Exercise - 1
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  20. CrO(3) dissolves in aqueous NaOH to give:

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