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

Assertion: It is difficult to replace chlorine by –OH in chlorobenzene in comparison to that in chloroethane. Reason: Chlorine-carbon (C−Cl) bond in chlorobenzene has a partial double

Advertisements
Advertisements

प्रश्न

Assertion: It is difficult to replace chlorine by –OH in chlorobenzene in comparison to that in chloroethane.

Reason: Chlorine-carbon \[\ce{(C - Cl)}\] bond in chlorobenzene has a partial double bond character due to resonance.

विकल्प

  • Assertion and reason both are correct and reason is correct explanation of assertion.

  • Assertion and reason both are wrong statements.

  • Assertion is correct but reason is wrong statement.

  • Assertion is wrong but reason is correct statement.

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

MCQ
Advertisements

उत्तर

Assertion and reason both are correct and reason is correct explanation of assertion.

Explanation:

The statement at assertion 'It is difficult to replace chlorine by -OH in chlorobenzene' is a correct statement and the statement given for reason (i.e. Chlorine - Carbon (C - Cl) bond in chlorobenzene has a partial double bond character due to resonance is also correct.

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 10: Haloalkanes and Haloarenes - Exercises [पृष्ठ १४८]

APPEARS IN

एनसीईआरटी एक्झांप्लर Chemistry Exemplar [English] Class 12
अध्याय 10 Haloalkanes and Haloarenes
Exercises | Q V. 92. | पृष्ठ १४८

संबंधित प्रश्न

How the following conversion can be carried out?

Isopropyl alcohol to iodoform


Give a balanced chemical equation to convert methyl cyanide to ethyl alcohol.


The pesticide DDT slowly changes to __________.


In which of the following conversions, phosphorus pentachloride is used as the reagent?


Chloropicrin is formed by the reaction of ____________.


\[\ce{CH3CH2CH2Br + NaCN -> CH3CH2CH2CN + NaBr}\], will be fastest in:


A dihalogen derivative ‘X’ of a hydrocarbon with three carbon atoms react with ale. KOH and produces hydrocarbon which forms red ppt. with ammonical Cu2Cl2. ‘X’ gives an aldehyde on reaction with aq. KOH. The compound ‘X’ is:


Chloromethane on treatment with excess of ammonia yields mainly ______.


Name the alkene which will yield 1-chloro-1-methylcyclohexane by its reaction with \[\ce{HCl}\]. Write the reactions involved.


The shape of methyl carbanion is similar to that of–


The major product formed when 1, 1, 1-trichloropropane is treated with aqueous potassium hydroxide, is ______.


Auto-oxidation of chloroform in air and sunlight produces a poisonous gas known as ______.


Write the equation for the following:

Oxidation of chloroform by air and light.


Write two uses of polyhalogen compounds.


Write equation to convert Methyl cyanide to ethanoic acid.


Give the uses of DDT.


Methyl bromide is not used ______.


Assertion (A): Exposure of ultraviolet rays to human causes the skin cancer, disorder and disrupt the immune system. Sol. Reason (R): Carbon tetrachloride is released into air it rises to atmosphere and deplets the ozone layer. In the light of above statements, choose the most appropriate answer from the options given below.


Assertion (A): CHCI3 is stored in dark bottles. Reason (R): CHCl3 is oxidised in dark.
In the light of above statements, choose the most appropriate answer from the options given below


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×