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

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.HX2SOX4 + conc. HNOX3. (ii) Acetic

Advertisements
Advertisements

प्रश्न

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.\[\ce{H2 SO4}\].

टीपा लिहा
Advertisements

उत्तर

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

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

Explanation:

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 13: Amines - Multiple Choice Questions (Type - I) [पृष्ठ १८८]

APPEARS IN

एनसीईआरटी एक्झांप्लर Chemistry Exemplar [English] Class 12
पाठ 13 Amines
Multiple Choice Questions (Type - I) | Q 36 | पृष्ठ १८८

संबंधित प्रश्‍न

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 :


Give the structure of A, B and C in the following reaction:

\[\ce{C6H5NO2 ->[Fe/HCl] A ->[NaNO2 + HCl][273 K] B ->[H2O/H+][\Delta] C}\]


Give a plausible explanation for the following:

Why are amines less acidic than alcohols of comparable molecular masses?


Explain the mechanism of action of hydroiodic acid on 3-methylbutan-2-ol.


Mention 'two' uses of propan-2-one.


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


Answer the following

Explain Gabriel phthalimide synthesis.


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


Identify the INCORRECT statement regarding Hofmann bromamide reaction.


Which of the following reagents is used in Hofmann's elimination reaction of amines?


Benzylamine may be alkylated as shown in the following equation:

\[\ce{C6H5CH2NH2 + R - X -> C6H5CH2NHR}\]

Which of the following alkylhalides is best suited for this reaction through SN1 mechanism?


In order to prepare a 1° amine from an alkyl halide with simultaneous addition of one \[\ce{CH2}\] group in the carbon chain, the reagent used as source of nitrogen is ______.


The source of nitrogen in Gabriel synthesis of amines is ______.


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

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


In the given reaction what is the X?

\[\begin{array}{cc}
\ce{O}\phantom{.......................}\\
||\phantom{.......................}\\
\phantom{}\ce{R - C - OH <-[H3O] Χ ->[H] RCH2NH2}
\end{array}\]


What is the IUPAC name of \[\ce{(CH3)2 - N - CH3}\]?


Write a short note on the following:

Ammonolysis


Write a short note on Ammonolysis.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×