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Phenol



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Q1. Phenol is obtained by heating aqueous solution of which of the following?

(a) Aniline
(b) Benzene diazonium chloride
(c) Benzoic acid
(d) Benzyl alcohol

Q2. Which of the following is not a method for preparation of phenol?

(a) Dows process
(b) From diazonium salt
(c) By decarboxylation of salicylic acid
(d) By the decarboxylation of sodium benzoate

Q3. What is the reactant ?x? and ?y? that will react with benzene to give phenol?

(a) X is Oleum and y is molten sodium hydroxide followed by H+
(b) X is Oleum and y is HCl
(c) X is Oleum and y is NH3
(d) X is Oleum and y is water

Q4. What will be the product ?a? in the given reation?

(a) Enolate form
(b) Benzene diazonium chloride
(c) Benzene
(d) Chlorobenzene

Q5. What is the reagent which will react with cumene to give phenol?

(a) Oxygen
(b) Hydrogen
(c) Nitrogen
(d) Ozone

Q6. Reaction of aqueous sodium hydroxide on chlorobenzene gives which of the following products?

(a) o-chlorophenol
(b) o-chlorophenol
(c) phenol
(d) no reaction

Q7. What is the commercial method of preparation of phenol?

(a) Dows process
(b) From diazonium salt
(c) By decarboxylation of salicylic acid
(d) Hock method

Q8. Sodium benzene sulphonate reacts with NaOH and then on acidic hydrolysis, it gives which of the following compound?

(a) Phenol
(b) Benzoic acid
(c) Benzene
(d) Disodium benzaldehyde

Q9. On heating aqueous solution of benzene diazonium chloride, which of the following is formed?

(a) benzene
(b) chlorobenzene
(c) phenol
(d) aniline


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295 views

The Compound On Dehydrogenation Gives A Ketone. The Original Compound Is

Modified 361 Year Ago

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361 Year Ago

The Compound On Dehydrogenation Gives A Ketone. The Original Compound Is

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0 Answer
294 views

According To Lewis Concept Of Acids And Bases, Ether Is

Modified 223 Year Ago

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223 Year Ago

According To Lewis Concept Of Acids And Bases, Ether Is

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267 views

Phenol Is Heated With A Solution Of Mixture Of KBr And KBrO3.

Modified 300 Year Ago

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300 Year Ago

Phenol Is Heated With A Solution Of Mixture Of KBr And KBrO3.

0 votes
0 Answer
244 views

Which Is Primary Alcohol

Modified 223 Year Ago

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223 Year Ago

Which Is Primary Alcohol

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0 Answer
242 views

Enter Is More Volatile Than Alcohol Having The Same Molecular Formula.

Modified 300 Year Ago

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300 Year Ago

Enter Is More Volatile Than Alcohol Having The Same Molecular Formula.

0 votes
0 Answer
235 views

Picric Acid Is

Modified 223 Year Ago

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223 Year Ago

Picric Acid Is

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0 Answer
231 views

The Most Suitable Reagent For The Conversion Of R - CH2 - OH --> R - CHO Is

Modified 361 Year Ago

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361 Year Ago

The Most Suitable Reagent For The Conversion Of R - CH2 - OH --> R - CHO Is

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