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MCQ Questions for Class 11 Chemistry with Answers
Q1. During the reaction of natural gas and steam the catalyst used is
(i) Fe
(ii) Zn
(iii) Ni
(iv) Cr
(iii) Ni
Q2. Para and ortho hydrogen differ in
(i) Atomic number
(ii) Atomic mass
(iii) Spins of pruLoiis
(iv) Number of neutrons
(iii) Spins of pruLoiis
Q3. The freezing point of heavy water is
(i) 0°C
(ii) 3.8°C
(iii) 4°C
(iv) 1°C
(ii) 3.8°C
Q4. The property of hydrogen which distinguishes it from alkali metals is
(i) its non-metallic character
(ii) its reducing character
(iii) its affinity for non metal
(iv) its electropositive character
(i) its non-metallic character
Q5. Cavendish in 766 discovered.
(i) Nitrogen
(ii) Oxygen
(iii) Hydrogen
(iv) Helium
(iii) Hydrogen
Q6. Action of water or dilute mineral acids on metals can give
(i) Mono hydrogen
(ii) Tritium
(iii) Dihydrogen
(iv) Trihydrogen
(e) D2
(iii) Dihydrogen
Q7. Which of the following hydrides are generally nonstochiometric in nature?
(i) Ionic Hydrides
(ii) Molecular Hydrides
(iii) Interstitial Hydrides
(iv) All of the Above.
(iii) Interstitial Hydrides
Q8. Which one of the following is not an isotope of hydrogen ?
(i) Ortho hydrogen
(ii) Deuterium
(iii) None of these
(iv) Tritium
(i) Ortho hydrogen
Q9. Dihydrogen gas may be prepared by heating caustic soda on
(i) Cu
(ii) Zn
(iii) Na
(iv) Ag
(ii) Zn
Q10. The structure of H2O is
(i) Planar
(ii) Non-planar
(iii) Spherical
(iv) Linear
(ii) Non-planar
Q11. Water shows anomalous behavior between
(i) 0 to 4°C
(ii) 0 to 5°C
(iii) 0 to -4°C
(iv) 4 to 0°C
(i) 0 to 4°C
Q12. Hydrogen bond energy is equal to
(i) 3-10 kcals
(ii) 3-7 cals
(iii) 30-70 cals
(iv) 30-70 kcals
(i) 3-10 kcals
Q13. Water shows anomalous behavior between
(i) 0 to 4 °C
(ii) 0 to 5 °C
(iii) 0 to -4 °C
(iv) 4 to 0 °C
(i) 0 to 4 °C
Q14. Heavy water is obtained by
(i) Boiling water
(ii) Fractional distillation of water
(iii) Prolonged electrolysis of water
(iv) Heating H2O2
(iii) Prolonged electrolysis of water
Q15. Atomic hydrogen is called
(i) Protium
(ii) Deutrium
(iii) Nascent Hydrogen
(iv) Tritium
(iii) Nascent Hydrogen
Q16. Which of the following metal evolves hydrogen on reacting with cold dilute HNO3 ?
(i) Mg
(ii) Al
(iii) Fe
(iv) Cu
(i) Mg
Q17. The maximum density of water at 40C is :
(i) 1.0 g / cm³
(ii) 0.998 g / cm³
(iii) 0.918 g / cm³
(iv) 1.2 g / dm³
(i) 1.0 g / cm³
Q18. Hydrogen will not reduce
(i) Heated cupric oxide
(ii) Heated ferric oxide
(iii) Heated stannic oxide
(iv) Heated aluminium oxide
(iv) Heated aluminium oxide
Q19. Hydrogen has isotopes
(i) 2
(ii) 3
(iii) 4
(iv) 5
(iii) 4
Q20. In Bosch’s process which gas is utilised for the production of hydrogen gas ?
(i) Water gas
(ii) None of these
(iii) Producer gas
(iv) Coal gas
(i) Water gas
Q21. The number of electron hydrogen contains in its K shell is
(i) 1
(ii) 2
(iii) 3
(iv) 4
(i) 1
Q22. Hydrolysis of one mole of Peroxidic sulphuric acid produces
(i) Two moles of sulphuric acid
(ii) Two moles of peroxomonosulphuric acid
(iii) One mole of sulphuric acid and one mole of peroxomonosulphuric acid
(iv) One mole of sulphuric acid, and one mole of peroxomonosulphuric acid and one mole of hydrogen peroxide.
(iii) One mole of sulphuric acid and one mole of peroxomonosulphuric acid
Q23. What is gram equivalent weight of hydrogen peroxide as reductant?
(i) 100
(ii) 125
(iii) 152
(iv) None of the Above
(iii) 152
Q24. Which one of the following pairs of substances will not produce hydrogen when reacted together?
(i) Copper and conc. nitric acid
(ii) Ethanol and metallic sodium
(iii) Magnesium and steam
(iv) Phenol and metallic sodium
(i) Copper and conc. nitric acid
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MCQ Questions for Class 11 Chemistry Chapter wise with Answers
- Lesson 1. Some Basic Concepts of Chemistry Class 11 MCQ Questions
- Lesson 2. Structure of Atom Class 11 MCQ Questions
- Lesson 3. Classification of Elements and Periodicity in Properties Class 11 MCQ Questions
- Lesson 4. Chemical Bonding and Molecular Structure Class 11 MCQ Questions
- Lesson 5. States of Matter Class 11 MCQ Questions
- Lesson 6. Thermodynamics Class 11 MCQ Questions
- Lesson 7. Equilibrium Class 11 MCQ Questions
- Lesson 8. Redox Reactions Class 11 MCQ Questions
- Lesson 9. Hydrogen Class 11 MCQ Questions
- Lesson 10. The s-Block Elements Class 11 MCQ Questions
- Lesson 11. The p-Block Elements Class 11 MCQ Questions
- Lesson 12. Organic Chemistry: Some Basic Principles and Techniques Class 11 MCQ Questions
- Lesson 13. Hydrocarbons Class 11 MCQ Questions
- Lesson 14. Environmental Chemistry Class 11 MCQ Questions