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What happens when phenol is oxidized by ...

What happens when phenol is oxidized by `Na_(2)Cr_(2)O_(7)//H_(2)SO_(4)?`

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Na_(2)O_(2) + H_(2)SO_(4) to

Aniline on oxidation with Na_(2)Cr_(2)O_(7) and H_(2)SO_(4) gives

What happens when H_(2)O_(2) is shaken with acidified K_(2)Cr_(2)O_(7) solution ?

What happens when : (a) Salicylic acid is treated with (CH_(3)CO)_(2)O""//H^(+) ? (b) Phenol is oxidised with Na_(2)Cr_(2)O_(7)//H^(+) ? (c)Anisole is treated with CH_(3)Cl / anhydrous AlCl_(3) ? Write chemical equation in support of your answer.

Isopropyl alcohol is oxidised with K_(2)Cr_(2)O_(7) and H_(2)SO_(4) to give :

A mixture of K_(2)Cr_(2)O_(7) and conc. H_(2)SO_(4) forms

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XII BOARDS PREVIOUS YEAR-XII BOARDS-[SET-1]
  1. What are emulsions ? Given one example.

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  2. Write IUPAC name of the complex : [CoCl(2)(en)(2)]^(+).

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  3. What happens when phenol is oxidized by Na(2)Cr(2)O(7)//H(2)SO(4)?

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  4. Write IUPAC name of the following compound :

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  5. Following reactions can occur at cathode during the electrolysis of aq...

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  6. Orthophosphoric acid (H(3)PO(4)) is not a reducing agent wheres hypoph...

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  7. (a) Explain why H(2)and O(2) do not react at room temperature. (b) ...

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  8. Derive integrated rated equation for rate constant of a first order re...

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  9. Explain the following observations : (i) Copper atom has completely ...

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  10. How will you carry out the following conversions : (i) 2-Bromopropan...

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  11. An element exists in bcc lattice with a cell edge of 288 pm. Calculate...

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  12. Calculate Delta(r)G^(@) and log K(c) for the following reaction at 29...

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  13. For a first order reaction, show that the time required for 99% comple...

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  14. Explain the following phenomenon given reason : (i) Tnndall effect. ...

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  15. (a) Write the principle involved in the following : {:((i)"Zone refi...

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  16. A mixed oxide of iron and chromium is fused with sodium carbonate in f...

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  17. (a) Give reasons for the following : (i) Compounds of transition ele...

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  18. For the complex ion [F(en)(2)CI(2)]^(+) write the hybridization type a...

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  19. (a) Account for the following : (i) Electrophilic substitution react...

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  20. (a) Why phenol is more acidic than than ethanol ? (b) Write the mech...

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