Phenol gives . . . . . . . . Colour with...

Phenol gives . . . . . . . . Colour with neutral `FeCl_(3)` solution :

violet

Green

Blue

Red

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FeCl_(3) dissolves in:

Five isomeric p-subsituted aromatic compounds (A) to (E ) with molecular formula C_(8)H_(8)O_(2) are given for identifyication. Based on the following observation, give the structures of the compounds. i. Both (A) and (B) form a silver mirror with Tollens reagent, (B) also gives a positive test with neutral FeCl_(3) solution. ii. (C ) gives positive iodoform test. iii. (D) is readily extracted in aqueous NaHCO_(3) solution. iv. (E ) on acid hydrolysis gives 1,4-dihydroxy benzene. Compound (A) is:

Tick the most appropriate answer : Universal indicatois impart . .. . .. . . .. . . . . . . . . . . . . colour in neutral solution.

Does phenol react with NaHCO_(3) solution ?

A compound (X ) gives fruity smell. [X] on hydrolysis gives an acid and alcohol . Acid give violet colour with neutral FeCl_(3) while alcohol give yellow precipitate on boiling with I_(2) and NaOH. (X) can 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 :

At 300 C FeCl_(3) :

VMC MODULES ENGLISH-ALCOHOLS, PHENOLS & ETHERS-Enable

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Phenol gives . . . . . . . . Colour with neutral FeCl(3) solution :
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