JEE Questions for Chemistry Hydrocarbons Quiz 11 - MCQExams.com

The product obtained when Chloroform is heated with Silver powder is
  • Ethane
  • Ethene
  • Ethyne
  • Chloromethane
What is the Chief product of reaction between Ethylidene dichloride and alc.KOH / NaNH2
  • CH3 – CH2 – Cl
  • CH = CH
  • CH2 = CH2
  • CH3 – CH3

Chemistry-Hydrocarbons-4926.png
  • CH3 – CH2 = CH2Br
  • CH3 – CH = CH2
  • CH3 – C = CH
  • CH3 – CH2 – CH3
Which unsaturated compound is produced by electrolysis of Potassium maleate or fumalate ?
  • Ethene
  • But-2-ene
  • Ethyne
  • But-2-yne

Chemistry-Hydrocarbons-4929.png
  • CH3 – CH2 – C ≡ CH
  • Ch3 – C ≡ C – CH3
  • CH3 – CH2 – CH = CH2
  • CH3 – CH = CH – CH3
Propyne is formed by reaction of
  • CH3 Br with Acetylene
  • CH3 Br with Sodium acetylide
  • CH3I with Sodium acetate
  • methane with Ethene
The gas which gives Benzene on passing through a red hot iron tube is
  • C2H6
  • C2H4
  • C6H12
  • C2H2
Which reagent of the following will convert But-1-yne to Butane-2-on
  • H2O/ H+
  • Hg+2/H2SO4
  • Conc. H2SO4/H3PO4
  • K2Cr2O7/KmnO4
Addition of Hydrobromic acid with Ethyne gives finaly
  • CH2 = CH – Br
  • Br – CH2 – CH2 – Br
  • CH3 – CH – Br2
  • CH ≡ C – Br
What is the product formed when acetylene reacts with hypochlorous acid ?
  • CH3COCl
  • Cl CH2 CHO
  • Cl2CHCHO
  • ClCH2COOH
But-1-yne on Oxidation with hot alkeline KmnO4 gives
  • CH3CH2CH2COOH
  • CH3CH2COOH
  • CH3CH2COOH + CO2 + H2O
  • CH3COOH + HCOOH
But-2-yne on Oxidation with hot alkeline KMnO4 gives.
  • CH3CH2COOH + HCOOH
  • CH3COOH + CH3COOH
  • CH3CH2COOH + CO2 + H2O
  • CH3COOH + 2CO2 + 2CO2 + H2O
Acetylene reacts with Ethyl magnesium bromide to give
  • Butane
  • Ethane
  • But-1-ene
  • Ethene
The Compound X(C5H8) greacts with Ammonical AgNO3 to gives a white ppt and on oxidation with hot alk, KMnO4 gives acid (CH3)2 CHCOOH there fore X is
  • Pent-1, 3-diene
  • pent-1-yne
  • 3-methyl but-1-yne
  • pent-2-yne

Chemistry-Hydrocarbons-4938.png

  • Chemistry-Hydrocarbons-4939.png
  • CH3CH2CH2CHO

  • Chemistry-Hydrocarbons-4940.png
  • CH3CH2CH2COOH
Reductive Ozonolysis of But-2-yne gives
  • Glyoxal
  • 2CH3 COOH
  • Buta-2, 3-dione
  • Butanal
Give product in following reaction CH3 – CH2 – C ≡ CH ...?
  • CH3CH2 CH = CH2
  • CH3CH = CHCH3

  • Chemistry-Hydrocarbons-4943.png
  • CH3C ≡ C – CH3
Indentify the product C in the following series of reaction
Chemistry-Hydrocarbons-4945.png
  • Ethene
  • Ethyne
  • Ethane
  • Vinyl alcohol
Reduction of acetylene in presence of Ni/Pd gives
  • Ethene
  • Ethane
  • Ethanol
  • Ethanaime
2- hexyne gives trans-2-hexene on treatment with
  • Pt/H2
  • Li/NH3
  • Pd/baSO4
  • LiAlH4
Which carbide react with water to give propyne ?
  • SiC
  • Be2C
  • Mg2C3
  • Al4C3
Number of acidic hydrogen in 1-butyne are
  • 1
  • 2
  • 3
  • 4
Which reagent distinguish between But-1-yne and But-2-yne
  • AlK.KMnO4
  • Br2
  • Conc. H2SO4
  • [Ag(NH3)2]+
Point out the wrong statement in relation to the structure of Benzene.
  • It forms only one monosubstitated derivative
  • The C-C bond length is benzene is uniformity Ao
  • It is a resonance hybrid of a number of canonical forms
  • It has three delocalised π- molcular orbitals
Which of the following when treated with super heated steam under pressure gives benzene?
  • Benzene Sulphonic acid
  • Benzyl Chloride
  • Bromo Benzene
  • Nitro benzene
Which of the following is aromatic

  • Chemistry-Hydrocarbons-4951.png
  • 2)
    Chemistry-Hydrocarbons-4952.png

  • Chemistry-Hydrocarbons-4953.png

  • Chemistry-Hydrocarbons-4954.png
Which is non-aromatic compound

  • Chemistry-Hydrocarbons-4955.png
  • 2)
    Chemistry-Hydrocarbons-4956.png

  • Chemistry-Hydrocarbons-4957.png

  • Chemistry-Hydrocarbons-4958.png
Which is not aromatic hydrocarbon?
  • Benzene
  • Toluene
  • phenol
  • Napthalene
Which of the following is not aromatic ?
  • Benzene
  • Cyclopropenyl cation
  • Trophylium cation
  • Cyclopentadienyl cation
Benzene reacts with CH3COCl in presence of AlCl3 to give
  • C6H5Cl
  • C6H5COCl
  • C6H5COCH3
  • C6H5CH3
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