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Complete the following reaction giving major products. CH3−CH(OH) = CH3→[Red P/Br2]→[Ag2O/H2O]B

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प्रश्न

Complete the following reaction giving major products.

\[\begin{array}{cc}\ce{CH3 - CH = CH3 ->[Red P/Br2] A ->[Ag2O/H2O]B}\\|\phantom{.........................}\\
\ce{OH\phantom{.......................}}\end{array}\]

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उत्तर

\[\begin{array}{cc}
\ce{3CH3-CH-CH3->[Red P/Br2][(Bromination)]3CH3-CH-CH3 +H3PO3->[Ag2O/H2O]3CH3-CH-CH3}\\
\phantom{}|\phantom{.............................}|\phantom{.....................................}|\phantom{}\\
\ce{\underset{2-Hydroxypropane}{OH}\phantom{................}\underset{2-Bromopropane(A)}{Br}\phantom{.........................}\underset{Propan-2-ol(B)}{OH}}
\end{array}\]

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पाठ 10: Halogen Derivatives - Exercises [पृष्ठ २३२]

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बालभारती Chemistry [English] Standard 12 Maharashtra State Board
पाठ 10 Halogen Derivatives
Exercises | Q 2. v. b. | पृष्ठ २३२

संबंधित प्रश्‍न

from the following pair would undergo SN2 faster from the other?

  1.    

from the following pair would undergo SN2 faster from the other?

a. CH3CH2CH2I      b. CH3CH2CH2Cl


Complete the following reaction giving major products.


Name the reagent used to bring about the following conversion.

1-Chloropropane to 1-nitropropane


Arrange the following in the increasing order of boiling points.

  1. 1-Bromopropane
  2. 2- Bromopropane
  3. 1- Bromobutane
  4. 1-Bromo-2-methylpropane

Give reasons:

Haloarenes are less reactive than haloalkanes.


Distinguish between SN1 and SN2 mechanism of substitution reaction.


Convert the following:

Benzyl alcohol to benzyl cyanide


Convert the following:

tert-Butyl bromide to isobutyl bromide


Complete the following reaction sequence by writing the structural formulae of the organic compound 'A', 'B' and 'C'.

\[\ce{2-Bromobutane->[Alc.KOH]A->[][Br2]B->[][NaNH2]C}\]


Observe the following and answer the question given below.

Comment on the bond length of C–X bond in it.


Observe the following and answer the question given below.

Can it react by SN1 mechanism? Justify your answer.


Major product of the following reaction is _______________

\[\ce{CH3-CH2-Mg-Br + NH3 ->?}\]


What is dehydrohalogenation? State the rule for the formation of the preferred product of dehydrohalogenation.


Which of the following is least reactive towards SN1 reactions?


Ethyl bromide undergoes the following reaction:

\[\ce{\underset{Ethyl bromide}{C2H5Br} + \underset{(aq.)}{KOH} ->[\Delta] \underset{Ethyl alcohol}{C2H5OH} + KBr}\]

Which of the following is a WRONG statement?


Identify major product 'B' in the following reaction.

\[\ce{But-1-ene ->[HBr][Peroxide] A ->[AgCN][\Delta] B}\]


Identify 'B' in the following reaction.

\[\ce{2-Bromobutane ->[KOH alc.][\Delta] A ->[HI] B}\]


Convert the following.

p-Nitrochlorobenzene to p-nitrophenol


The order of reactivity of the given haloalkanes towards nucleophiles is:


Explain the dehydrohalogenation reaction of 2-chlorobutane.


Observe the following and answer the questions given below:

Name the type of halogen derivative.


Complete the following reaction sequences by writing the structural formulae of the organic compounds 'A', 'B' and 'C'.

\[\ce{2-Bromobutan ->[alc. KOH] A ->[][Br2] B ->[][NANH2] C}\]


Give a reason for the following:

Ethoxy ethane with conc. HI at 373 K gives C2H5OH and CH3I but not CH3OH and C2H5I.


Identify the substrate 'X' in the following reaction.

\[\ce{\underset{}{X + O2} ->[i) Co-naphtenate 423 K][ii) dil HClΔ] \underset{\underset{}{}}{Phenol + Acetone}}\]


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