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Iodoform is formed on warming I2 and NaO...

Iodoform is formed on warming `I_2` and `NaOH` with:

A

Acetophenone

B

`CH_(3)OH`

C

`HCOOH`

D

`C_(6)H_(6)`

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The correct Answer is:
A
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Iodoform Test

Among the following the one that gives positive iodoform test upon reaction with I _ 2 and NaOH is \

An alkene 'X' (molecular formula C_(5)H_(10) ) on ozonolysis gives a mixture of two compounds 'Y' and 'Z'. Compound 'Y' gives positive Fehling's test and also forms iodoform on treatement with I_(2)" and "NaOH . Compound 'Z' does not give Fehling's test but forms iodoform. Identify the compounds X, Y and Z. Write the reaction for ozonolysis and formation of iodoform from Y and Z.

An alkene 'A' (molecular formula C_(5)H_(10) ) on ozonolysis gives a mixture of two compounds 'B' and 'C'. Compound 'B' gives positive Fehling's test and also forms iodoform on treatement with I_(2)" and "NaOH . Compound 'C' does not give Fehling's test but forms iodoform. Identify the compounds A, B and C. Write the reaction for ozonolysis and formation of iodoform from B and C.

Iodoform can be used as:

Iodoform test is not given by:

Give the reasons for the following: (i) Iodoform is prepared by reacting acetone with hypoiodite and not with idodine. Explain. (ii) Halogen acids readily combine with alkene to form addition products but fail to react with carbonyl compounds. Discuss.

VMC MODULES ENGLISH-HALOALKANES & HALOARENES -IMPECCABLE
  1. War gas is formed from:

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  2. C(2) H(5) Cl + KCN rarr "X " overset("Hydroysis")(rarr) Y, 'X' and 'Y'...

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  3. Iodoform is formed on warming I2 and NaOH with:

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  4. Carbon-halogen bond is strongest among the following:

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  5. Compound A has a molecular formula C(2)Cl(3)OH. It reduces Fehling's s...

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  6. For a given alkyl group the densities of the halides follow the order:

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  7. "AgNO"(3) does not give precipitate with chloroform because:

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  8. Which of the following alkyl halides is iso -butyl bromide ?

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  9. In which one of the following conversions phosphorus pentachloride is ...

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  10. An organic halide is shaken with aqueous NaOH followed by the addition...

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  11. In which alkyl halide S(N)2 mechanism is favoured maximum?

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  12. The reaction of tertiary butyl bromide with sodium methoxide gi...

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  13. When alkyl halides are heated with dry Ag(2)O, it gives:

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  14. Chloribenze can be prepared by reacting aniline with:

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  15. C(3)H(8) + Cl(2) overset("Light")(rarr) C(3)H(7)Cl + HCl is an exmple ...

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  16. Compound 'a' reacts with PCI(5) to give 'b' which on treatment with K...

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  17. Which of the following would be produced when acetylene reacts with ex...

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  18. An Alkyl bromide (X) reacts with Na in dry ether to form 4,5-diethloct...

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  19. Among the following, the false statement is :

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  20. Statement “Ozone in atmosphere is decreased by emission of chloro-fluo...

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