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

Predict the reagent or the product in the following reaction sequence. - Chemistry

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प्रश्न

Predict the reagent or the product in the following reaction sequence.

दीर्घउत्तर
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उत्तर

1. \[\ce{Sn/HCl or Fe/HCl}\]

2. 

3. \[\ce{H2O/H+}\]

4.  

5. \[\ce{H3PO2/H2O}\]

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पाठ 13: Amines - Multiple Choice Questions (Type - I) [पृष्ठ १९३]

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एनसीईआरटी एक्झांप्लर Chemistry [English] Class 12
पाठ 13 Amines
Multiple Choice Questions (Type - I) | Q 77 | पृष्ठ १९३

संबंधित प्रश्‍न

Illustrate the following reaction giving suitable example in each case: Diazotisation

 


Arenium ion involved in the bromination of aniline is:

(i)

(ii)

(iii)

(iv)


Why does acetylation of –NH2 group of aniline reduce its activating effect?


Predict the product of reaction of aniline with bromine in non-polar solvent such as \[\ce{CS2}\].


Why is aniline soluble in aqueous HCl?


How will you carry out the following conversions?

toluene `->` p-toluidine


How will you carry out the following conversions?

p-toluidine diazonium chloride `→` p-toluic acid


A colourless substance ‘A’ \[\ce{(C6H7N)}\] is sparingly soluble in water and gives a water soluble compound ‘B’ on treating with mineral acid. On reacting with \[\ce{CHCl3}\] and alcoholic potash ‘A’ produces an obnoxious smell due to the formation of compound ‘C’. Reaction of ‘A’ with benzenesulphonyl chloride gives compound ‘D’ which is soluble in alkali. With \[\ce{NaNO2}\] and \[\ce{HCl}\], ‘A’ forms compound ‘E’ which reacts with phenol in alkaline medium to give an orange dye ‘F’. Identify compounds ‘A’ to ‘F’.


Which of the following statement about primary amines is false?


In order to distinguish between C2H5NHz and C6H5NHz, which of the following reagents is useful?


Aniline when treated with cone. HNO3 gives


Which of the following is true characteristic feature of aniline?


Which of the following is the most stable diazonium salt?


Consider the following compounds:

(i) p-methyl aniline

(ii) N, N-dimethylaniline

(iii) N-ethyl aniline

(iv) N-ethyl-N-methyl aniline

The compounds which do not form diazonium salt with ice-colds NaNO2 and HCl are:


How will the following be converted? (Give chemical equation)

Aniline to benzene diazonium chloride.


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