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Q1. In the direct amination of alkyl and aryl pinacol boronates to form aromatic amine, which of the following is used as reagent with pinacol?

(a) Aryl boric acid
(b) Copper oxide
(c) Pd(OA2
(d) Lithiated methoxyamine

Q2. What will be the product for the following reaction?

(a) secondary aliphatic amine
(b) primary aromatic amine
(c) tertiary aromatic amine
(d) secondary aromatic amine

Q3. Which type medium is required for the formation of aniline by reaction of aryl boric acid and HAS?

(a) Acidic
(b) Basic aqueous
(c) Neutral dry
(d) aqueous

Q4. What is the known name of the reaction given below?

(a) Gabriel phthalimide synthesis
(b) Buchwald-Hartwig Reaction
(c) Chan-Lam coupling
(d) Ullmann reaction

Q5. What is the known name of the reaction given below?

(a) Gabriel phthalimide synthesis
(b) Buchwald-Hartwig Reaction
(c) Chan-Lam coupling
(d) Ullmann reaction

Q6. What is the known name of the reaction given below?

(a) Gabriel phthalimide synthesis
(b) Buchwald-Hartwig Reaction
(c) Chan-Lam coupling
(d) Ullmann reaction

Q7. Which reducing agent is used for the reduction of nitro compound to phenyl amine?

(a) LiAlH4
(b) Sn/HCl
(c) Na/alcohol
(d) H2/Ni

Q8. What are A and B in the given sequence, respectively?

(a) Aldehyde, nitro compound
(b) Nitro compound, phenyl amine
(c) Phenyl amine, nitro compound
(d) Phenthalene, phenyl amine

Q9. Which of the following method cannot be used for preparation of aromatic amine?

(a) Gabriel phthalimide synthesis
(b) Reduction of nitro compound
(c) Reduction of nitrile with LiAl4
(d) Decarboxylation of amino acids

Q10. Aniline is usually purified by which of the following method?

(a) Steam distillation
(b) Simple distillation
(c) Vacuum distillation
(d) Extraction with a solvent


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The Molecular Formula C3H9N Cannot Represent

Modified 362 Year Ago

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362 Year Ago

The Molecular Formula C3H9N Cannot Represent

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301 views

Carbylamines Test Is Used In The Detection Of

Modified 134 Year Ago

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134 Year Ago

Carbylamines Test Is Used In The Detection Of

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295 views

Reduction Of Nitrobenzene In The Presence Of Zn /NH4 Cl Gives

Modified 362 Year Ago

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362 Year Ago

Reduction Of Nitrobenzene In The Presence Of Zn /NH4 Cl Gives

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An Organic Compound A Having Molecular Formula C2H3 N On Reduction Gave Another Compound B, Upon Treatment With Nitrous Acid B Gave Ethyl Alcohol.

Modified 362 Year Ago

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362 Year Ago

An Organic Compound A Having Molecular Formula C2H3 N On Reduction Gave Another Compound B, Upon Treatment With Nitrous Acid B Gave Ethyl Alcohol.

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252 views

Alkyl Cyanides Undergo Stephen Reduction To Produce

Modified 362 Year Ago

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362 Year Ago

Alkyl Cyanides Undergo Stephen Reduction To Produce

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251 views

Toluene Is Nitrated And The Resulting Product Is Reduced With Tin And Hydrochloric Acid. The Product So Obtained Is Diazotised And Then Heated With Cuprous Bromide. The Reaction Mixture So Formed

Modified 362 Year Ago

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362 Year Ago

Toluene Is Nitrated And The Resulting Product Is Reduced With Tin And Hydrochloric Acid. The Product So Obtained Is Diazotised And Then Heated With Cuprous Bromide. The Reaction Mixture So Formed

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242 views

Benzamide Can Be Converted Into Benzonitrile With

Modified 362 Year Ago Gian

242
Gian
362 Year Ago

Benzamide Can Be Converted Into Benzonitrile With

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