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

Assertion: Addition reaction of water to but-1-ene in acidic medium yields butan-1-ol. Reason: Addition of water in acidic medium proceeds through the formation of primary carbocation.

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प्रश्न

Assertion: Addition reaction of water to but-1-ene in acidic medium yields butan-1-ol.

Reason: Addition of water in acidic medium proceeds through the formation of primary carbocation.

विकल्प

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

  • Assertion and reason both are wrong statements.

  • Assertion is correct statement but reason is wrong statement.

  • Assertion is wrong statement but reason is correct statement.

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

MCQ
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उत्तर

Assertion and reason both are wrong statements.

Explanation:

Addition of water to but-l-ene in acidic medium yields butan-2-ol.

Addition of water proceeds through formation of secondary carbocation.

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अध्याय 11: Alcohols, Phenols and Ethers - Multiple Choice Questions (Type - I) [पृष्ठ १६३]

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एनसीईआरटी एक्झांप्लर Chemistry Exemplar [English] Class 12
अध्याय 11 Alcohols, Phenols and Ethers
Multiple Choice Questions (Type - I) | Q 61 | पृष्ठ १६३

संबंधित प्रश्न

Name the following compound according to the IUPAC system.

\[\begin{array}{cc}
\phantom{..................}\ce{CH2OH}\\
\phantom{.........}|\\
\ce{CH3 - CH2 - CH - CH - CH - CH3}\\
\phantom{.........}|\phantom{...................}|\\
\phantom{.............}\ce{CH2Cl}\phantom{..........}\ce{CH3}\phantom{}
\end{array}\]


Name the following compound according to the IUPAC system.

\[\begin{array}{cc}
\phantom{.....................................}\ce{CH2OH}\\
\phantom{............................}|\\
\ce{CH3 - CH - CH2 - CH - CH - CH3}\\
|\phantom{....................}|\phantom{............}\\
\ce{CH3}\phantom{..............}\ce{OH}\phantom{.........}\\
\end{array}\]


Write the IUPAC name of the following compound:


Write the IUPAC name of the following compound:

C6H5 – O – C2H5


Write the IUPAC name of the following compound:

\[\begin{array}{cc}
\ce{CH3 - CH2 - O - CH - CH2 - CH3}\\
\phantom{....}|\\
\phantom{........}\ce{CH3}
\end{array}\]


Ethylidene dichloride when boiled with aqueous solution of NaOH yields _______.

(A) formaldehyde

(B) acetaldehyde

(C) acetone

(D) ethyl methyl ketone


Natalite is a mixture of

(a) diethyl ether and methanol

(b) diethyl ether and ethanol

(c) dimethyl ether and methanol

(d) dimethyl ether and ethanol


In the dehydration of alcohols to alkenes by heating with concentrated sulphuric acid, the initiation step is:

(1) formation of carbonation

(2) formation of an ester

(3) protonation of the alcohol molecule

(4) elimination of water


Resorcinol on distillation with zinc dust gives _________.


Write IUPAC names of the following


Isopropyl alcohol on oxidation forms:


3-methylphenol is called ____________.


1-Propanol and 2-propanol can be best distinguished by:


The major product formed by the reaction:

\[\begin{array}{cc}
\ce{CH3CH-CH2Br ->[CH3O^-][CH3OH] is}\\
|\phantom{................}\\
\ce{CH3}\phantom{.............}
\end{array}\]


Which of the following gives a positive iodoform test?


Match the structures of the compounds given in Column I with the name of the compounds given in Column II.

  Column I Column II
(i) (a) Hydroquinone
(ii) (b) Phenetole
(iii) (c) Catechol
(iv) (d) o-Cresol
(v) (e) guinone
(vi) (f) Resorcinol
    (g) Anisole

Write the IUPAC name of the following compound.


Draw structure of the following compound.

Prop-2-en-1-ol


Write IUPAC name of the following compound:

\[\begin{array}{cc}
\phantom{................}\ce{CH3}\\
\phantom{.............}|\\
\ce{CH3 - CH - CH - C - CH3}\\
|\phantom{......}|\phantom{......}|\\
\phantom{...}\ce{CH3}\phantom{...}\ce{OH}\phantom{...}\ce{CH3}
\end{array}\]


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