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Compound A,C(7)H(8)O, is insoluble in wa...

Compound `A,C_(7)H_(8)O`, is insoluble in water, dilute `HCl`, and aquenous `NaHCO_(3)`, it dissolves in dilute `NaOH`. When `A` is treated with bromine water is is converted rapidly into a compound of formula `C_(7)H_(5)Obr_(3)`. The structure of `A` is

A

B

C

D

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The correct Answer is:
B

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Compound A (C_(7) H_(8) O) is insoluble in water, dilute HCl & aqueous NaHCO_(3) , but it dissolves in dilute NaOH. When A is treated with Br_(2) water it is converted into a compound C_(7) H_(5)Obr_(3) rapidly. The structure of A is:

A compound 'A' (C_(7) H_(8) O) is insoluble in water, dilute HCl and aqueous NaHCO_(3) but soluble in dilute NaOH . When A is treated with Br_(2) - H_(2)O , it is converted into a compound of formula C_(7) H_(5)Obr_(3) . Compound A is :

Compound 'P', C_(7)H_(8)O is insolution in water , dilute when HCI and NaHCO_(3) it disolves in dilite NaOH P is treated with Br_(2) - H_(2)O it converts rapidly into a compound of formula C_(7)H_(5)OBr_(3) Idenity structure of P?

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 :

NARAYNA-PRACTICAL ORGANIC CHEMISTRY-SCQ_TYPE
  1. Lassaigne's test for the detection of nitrogen fails in

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  2. The compound that does not give a blue colour in Lassaigne's test is

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  3. The Lassaigne's extract is boiled with dil. HNO(3) before testing for ...

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  4. In Carius tube the compound ClCH(2)-COOH was heated with fuming HNO...

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  5. If 0.24 g of a volatile liquid upon vaporization gives 45 ml of vapour...

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  6. In sodium fusion test of roganilc compound, the nitrogen of a organic ...

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  7. Which of the following will give blood red colour with FeCl(5) in sodi...

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  8. Sulphide ions react with Na(2) [Fe(NO)(CN)(5)] to form a purple colour...

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  9. Which of the following will not give test for N in sodium extract?

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  10. Which of the following compounds, when heated with HNO(3) (conc), cool...

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  11. A substance was known by its mode of synthesis to contain 10 atoms of ...

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  12. Compound A,C(7)H(8)O, is insoluble in water, dilute HCl, and aquenous ...

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  13. Compounds I and II can be distinguished by using reagent. (I) -4-Ami...

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  14. A set of reagents (1 to 8) are successively rected with the following ...

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  15. Which one of the following will not give white precipitate with ammoni...

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  16. Which of the following alcohols will show positive iodoforms test?

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  19. A mixture of two organic compound gives red coloured precipitate with ...

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