Hydrocarbons Page 397 Q 13.12 Class 11 CBSE Chemistry

Hydrocarbons Page 397 Q 13.13 Class 11 CBSE Chemistry

Hydrocarbons Page 397 Q 13.14 Class 11 CBSE Chemistry

Hydrocarbons Page 397 Q 13.15 Class 11 CBSE Chemistry

1. There will be total 10  MCQ in this test.
2. Please keep a pen and paper ready for rough work but keep your books away.
3. The test will consist of only objective type multiple choice questions requiring students to mouse-click their correct choice of the options against the related question number.
4. No negative marking for incorrect choice.
5. Please click on “Finish the Test” when you want to exit.
6. All the best – Happy Studying.

1. Ethene and ethyne can be distinguished by:

  Bromine water

 KMnO₄ solution

 Ammoniacal Cuprous chloride solution

 Any of the above

Question 1 of 10

2. Photochemical chlorination of alkane is initiated by process called:

 Homolysis

 Pyrolysis

 Substitution

 Peroxidation

Question 2 of 10

3. When H⁺ attacks CH₃ – CH = CH₂ , carbonation which is more stable is

 CH₃ – CH₂ – CH₂

 CH₂⁺ – CH₂ – CH₃

 CH₃ – CH⁺ – CH₃

 CH₃ – CH₂ – CH₂⁺

Question 3 of 10

4. Propene reacts with sulphuric acid to form:

 Propyl sulphate

 Propyl hydrogen sulphate

 Propane hydrogen sulphate

 Propene hydrogen sulphate

Question 4 of 10

5. Ethylene reacts with HBr to give:

 Acetylene

 Ethyl alcohol

 Acetaldehyde

 Ethyl bromide

Question 5 of 10

6. Propene on ozonolysis forms:

 Acetaldehyde

 Formaldehyde

 Both acetaldehyde and formaldehyde

 Acetone

Question 6 of 10

7. The alkene which on ozonolysis gives only acetone is:

  (CH₃)₂C = CH₂

 CH₃CH = CHCH₃

 CH₃CH = C(CH3)₂

 (CH₃)₂C = C(CH₃)₂

Question 7 of 10

8. Alkenes react with water in presence of a few drops of conc. sulphuric acid to form:

  Vicinal glycols

 Geminal glycols

 Both (A) & (B)

 None of the above

Question 8 of 10

9. Addition of halogens to alkenes is an example of:

 Nucleophilic addition reaction

 Electrophilic addition reaction

 Electrophilic substitution reaction

 Nucleophilic substitution reaction

Question 9 of 10

10. Cis isomer have:

  High boiling point than trans isomer

 Lower boiling point than trans isomer

 Same boiling point

 None of the above

Question 10 of 10

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