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प्रश्न
Write the order of reactivity of alkyl halides with ammonia.
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उत्तर
The order of reactivity of alkyl halides with ammonia is, R–I > R–Br > R–Cl.
संबंधित प्रश्न
How is ethyl amine prepared from methyl iodide?
Illustrate the following reaction giving suitable example in each case:Gabriel phthalimide synthesis
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How do you convert the following: C6H5CONH2 to C6H5NH2
Accomplish the following conversion:
Nitrobenzene to benzoic acid
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Benzyl chloride to 2-phenylethanamine
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\[\ce{CH3CH2Br ->[KCN] A ->[LiAlH4] B ->[HNO2][0^\circ C] C}\]
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\[\ce{CH3COOH ->[NH3][\Delta] A ->[NaOBr] B ->[NaNO2/HCl] C}\]
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\[\ce{C6H5NO2 ->[Fe/HCl] A ->[HNO2][273 K] B ->[C6H5OH] C}\]
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Give the structures of A, B and C in the following reactions :
Choose the most correct option.
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Answer the following
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Explain the ammonolysis of alkyl halides.
The following amines is the product of Gabriel phthalimide synthesis.
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Identify the product 'A' in the following reaction.
\[\ce{Aniline ->[(CH3CO)2O][Pyridine] A}\]
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____________ can be prepared exclusively by Gabriel phthalimide synthesis.
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In aqueous phase the order of basic strength of alkylamine is ______.
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Quaternary ammonium salt is formed:
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The source of nitrogen in Gabriel synthesis of amines is ______.
Which of the following compounds is the weakest Brönsted base?
Which of the following methods of preparation of amines will give same number of carbon atoms in the chain of amines as in the reactant?
Which of the following reactions are correct?
(i)
(ii)
(iii)
(iv)
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(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.\[\ce{H2 SO4}\].
What is the product when \[\ce{C6H5CH2NH2}\] reacts with \[\ce{HNO2}\]?
Suggest a route by which the following conversion can be accomplished.
How will you bring out the following conversion?
How will you carry out the following conversions?
Match the reactions given in Column I with the statements given in Column II.
| Column I | Column II | ||
| (i) | Ammonolysis | (a) | Amine with lesser number of carbon atoms |
| (ii) | Gabriel phthalimide synthesis | (b) | Detection test for primary amines. |
| (iii) | Hoffmann Bromamide reaction | (c) | Reaction of phthalimide with \[\ce{KOH}\] and \[\ce{R-X}\] |
| (iv) | Carbylamine reaction | (d) | Reaction of alkylhalides with \[\ce{NH3}\] |
Assertion: Hoffmann’s bromamide reaction is given by primary amines.
Reason: Primary amines are more basic than secondary amines.
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Reason: Aryl halides undergo nucleophilic substitution with anion formed by phthalimide.
Account for the following:
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\[\ce{CH3CN ->[Na + C2H5OH] x}\]
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\[\ce{Aniline ->[(CH3CH)2O][Pyridine] A ->[Br2][CH3COOH] B ->[H^+ or OH^-] C}\]
Write short note on the following:
Ammonolysis
Write a short note on the following:
Ammonolysis.
Write short notes on the following:
Ammonolysis
