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कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

Assertion: Aromatic 1° amines can be prepared by Gabriel Phthalimide Synthesis. Reason: Aryl halides undergo nucleophilic substitution with anion formed by phthalimide. - Chemistry

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प्रश्न

Assertion: Aromatic 1° amines can be prepared by Gabriel Phthalimide Synthesis.

Reason: Aryl halides undergo nucleophilic substitution with anion formed by phthalimide.

विकल्प

  • Both assertion and reason are wrong.

  • Both assertion and reason are correct statements but reason is not correct explanation of assertion.

  • Assertion is correct statement but reason is wrong statement.

  • Both assertion and reason are correct statements and reason is correct explanation of assertion.

  • Assertion is wrong statement but reason is correct statement.

MCQ
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उत्तर

Both assertion and reason are wrong.

Explanation:

Aromatic amines are never obtained by Gabriel phthalimide synthesis.

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अध्याय 13: Amines - Multiple Choice Questions (Type - I) [पृष्ठ १९२]

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एनसीईआरटी एक्झांप्लर Chemistry [English] Class 12
अध्याय 13 Amines
Multiple Choice Questions (Type - I) | Q 73 | पृष्ठ १९२

संबंधित प्रश्न

Identify the compounds 'A' and 'B' in the following equation:


An aromatic compound 'A' of molecular formula C7H7ON undergoes a series of reactions as shown below. Write the structures of A, B, C, D and E in the following reactions :


Accomplish the following conversion:

Nitrobenzene to benzoic acid


Give the structures of A, B and C in the following reactions :


 Write structures of compounds A and B in each of the following reactions:


Choose the most correct option.

Which of the following compounds will dissolve in aqueous NaOH after undergoing reaction with Hinsberg reagent?


Answer the following

Write a reaction to convert acetic acid into methylamine.


Name the process of breaking C-X bond by ammonia in preparation of amines.


The end product C of the following reaction is

\[\ce{C2H5NH2 ->[HNO2] A ->[PCl5] B ->[NH3][Alcohol] C}\]


What product is formed when \[\ce{R - C ≡ N}\] is hydrolysed?


Which of the following amines forms a clear solution when treated with benzene sulphonyl chloride and excess of potassium hydroxide?


Amongst the following, the strongest base in aqueous medium is ______.


Which of the following reactions are correct?

(i)

(ii)

(iii)

(iv)


Under which of the following reaction conditions, aniline gives p-nitro derivative as the major product?

(i) Acetyl chloride/pyridine followed by reaction with conc.\[\ce{H2SO4 }\] + conc. \[\ce{HNO3}\].

(ii) Acetic anyhdride/pyridine followed by conc.\[\ce{H2SO4}\] + conc.\[\ce{HNO3}\].

(iii) Dil. HCl followed by reaction with conc.\[\ce{H2SO4}\] + conc.\[\ce{HNO3}\].

(iv) Reaction with conc.\[\ce{HNO3}\] + conc.\[\ce{H2 SO4}\].


Suggest a route by which the following conversion can be accomplished.


Write following conversions:

nitrobenzene `->` acetanilide


How will you carry out the following conversion?


A compound 'A' on reduction with iron scrap and hydrochloric acid gives compound 'B' with molecular formula C6H7N. Compound 'B' on reaction with CHCl3 and alcoholic KOH produces an obnoxious smell of carbylamine due to the formation of 'C'. Identify 'A', 'B' and 'C' and write the chemical reactions involved.


Write short note on the following:

Ammonolysis


Identify the compo ds A and B in the following reactions:

\[\ce{A ->[Nitrating mixture] B ->[(i) Sn/cone. HCI][(ii) NaOH] Aniline}\]


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