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प्रश्न
What happens when Phenol is oxidised with Na2Cr2O7/H+?
What happens when Phenol is oxidised with Na2Cr2O7/H+?
Write the chemical equation in support of your answer.
उत्तर
When phenol is treated with chromic acid (Na2Cr2O7 + H+), it generates benzoquinone, a conjugated diketone.
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| (i) |  |
| (ii) |  |
| (iii) |  |
| (iv) |  |
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A compound 'X' is acidic and it is soluble in NaOH solution, but insoluble in NaHC0 3 solution. Compound 'X' also gives violet colour with neutral FeCI3 solution. The compound 'X' is:
Match List - I with List - II.
| List I | List II | ||
| (A) |  |
(I) | Br2 in CS2 |
| (B) | (II) | Na2Cr2O7/H2SO4 | |
| (C) |  |
(III) | Zn |
| (D) |  |
(IV) | CHCl3/NaOH |
Choose the correct answer from the options given below:
