Halohydrin Reaction
Trending Questions
Q. In the reaction with HCl, an alkene reacts in accordance with the markovnikov’s rule, to give 1-chloro-1 methylcyclohexane. The possible alkene is
- (A) and (B)
Q. the reaction of dimethyl sulphoxide with acetophenone in presence of hbr gives
Q. The compound formed when aniline reacts with benzene diazonium chloride is:
- p-Aminoazobenzene
- Anilinium Chloride
- p-Hydroxyazobenzene
- Diphenyl amine
Q. Addition of HOCl to ethyne gives:
- Ethyl chloride
- Vinyl chloride
- Dichloroacetaldehyde
- Ethylidene chloride
Q. For the given reaction , the major product A will be :
Q. Identify the final major product formed in the given reaction sequence.
Q. 2, 4-DNP test can be used to identity
- Aldehyde
- Amine
- Ether
- Halogens
Q. Elimination reaction of 1-Bromohexane to form hex-1-ene is
- Dehydration reaction
- Dehydrohalogenation reaction
- β−Elimination reaction
- Both (b) and (c)
Q. The main product of the following reaction is
C6H5CH2CH(OH)CH(CH3.2
Conc.H2SO4
→ ?
Q. 1-bromo butane on reaction with alcoholic KOH gives:
- 1-Butene
- 2-Butene
- 1-Butanol
- 2-Butanol
Q. The reaction of propene with HOCl gives major product as:
Q. The correct structure of the product A formed in the reaction is
Q. CH2=CH2 Br2/H2O−−−−−→ A,
In the above reaction the compound 'A' is
In the above reaction the compound 'A' is
- Ethylene bromohydrin
- None of these
- 1, 2-dibromo ethane
- Ethanol
Q. End product of the following reaction is -
CH3CH2COOH red P−−−→Cl2 −−−−−−→Alc. KOH
- CH2=CH−O||C−OH
- CH2|OHCH2COOH
- CH2=CHCOOH
- CH2|ClCH|OH−COOH
Q. The major product \([C]\) of the following reaction sequence will be
\( CH _{2}= CH - CHO \frac{ i ^{ NaBH _{4}}}{\text { (i) } SOC _{2}}[ A ] \) \( \frac{\text { Anlif }}{\text { AICY }_{3}}=[ B ]^{ DB }=[ C ] \)
\( CH _{2}= CH - CHO \frac{ i ^{ NaBH _{4}}}{\text { (i) } SOC _{2}}[ A ] \) \( \frac{\text { Anlif }}{\text { AICY }_{3}}=[ B ]^{ DB }=[ C ] \)
Q. In the reaction with HCl, an alkene reacts in accordance with the Markovnikov's rule, to give a product 1-chloro-1-methylcyclohexane. The possible alkene is:
Q. The reaction of propene with HOCl (Cl2+H2O) proceeds through the intermediate:
- CH3−CH+−CH2−Cl
- CH3−CH(OH)−CH+2
- CH3−CHCl−CH+2
- CH3−CH+−CH2−OH
Q. Identify the products X and Y in the given reaction,
CH3−CH|BrCH3+Mg[Dryether]−−−−−−→X[D2O]−−−→Y :
CH3−CH|BrCH3+Mg[Dryether]−−−−−−→X[D2O]−−−→Y :
- X=CH3−CH|Br−CH3
Y=CH3−CH|OH−CH3 - X=CH3−CH|Br−CH3Y=CH3CH2CH2OH
- X=CH3−CH|MgBr−CH3
Y=CH3−CH|D−CH3 - X=CH3−CH|MgBr−CH3
Y=CH3−CH|OD−CH3
Q. The best method for the preparation of 2, 2-dimethylbutane is via the reaction of:
- Me3CBr and MeCH2Br in Na/ether
- (Me3C)2CuLi and MeCH2Br
- (MeCH2)2CuLi and Me3CBr
- Me3CMgI and MeCH2I
Q. The reaction of propene with H3O+ will proceed with which of the following intermediates ?
- CH3−⨁CH−OH|CH2
- CH3−⨁OH2|CH−CH3
- CH3−CH2−⨁OH2|CH2
- CH3−OH|CH−CH3
Q.
Z in the above reaction sequence is
CH3CH2ClNaCN→XNi/H2→YAcetic−−−−−−→anhydrideZ
- CH3CH2CH2NHCOCH3
- CH3CH2CH2NH2
- CH3CH2CH2CONHCH3
- CH3CH2CH2CONHCOCH3
Q. How will you convert ethylidene dibromide to acetaldehyde?
Q. Give the Product obtained by reaction of EtMgBr and butanamide.
Q. Which of the following will give addition reaction and why?
C4H10, C2H6, C2H4, CH4, C3H8, C3H4
C4H10, C2H6, C2H4, CH4, C3H8, C3H4
Q. The reaction of propene with HOCl(Cl2+H2O) with ethene proceeds through the intermediate:
- CH3−CHCl−CH+2
- CH3−CH+−CH2−OH
- CH3−CH+−CH2−Cl
- CH3−CH(OH)−CH+2
Q. H2C=CH2+HOCl→ ____ + ____ → ethylene chlorohydrin. Fill in the blanks in the above reaction with
- CH2OH−−CH2++Cl
- CH2Cl−−CH2++OH
- CH2Cl−+CH2+−OH
- CH2OH−+CH2+−Cl
Q. Arrange the following according to the instructions given in brackets :
Ethane, methane, ethene, ethyne. (In the increasing order of the molecular weight)
[H=1, C=12]
Ethane, methane, ethene, ethyne. (In the increasing order of the molecular weight)
[H=1, C=12]
Q. Ethylene when reacts with halogens ( chlorine and bromine ) form saturated products. Name them and write balanced equations.
Q. Predict the correct intermediate and product in the following reaction
Q. Acetylene gas when passed through the 20%H2SO4 at 80oC gives acetaldehyde. The catalyst required for this conversion is
- AnhydrousAlCl3
- HgSO4
- Pd
- Pt
