Chemistry important questions for CTEVT diploma level first year examination.

  • Post Author:

Chemistry important questions for CTEVT Certificate/Diploma Level first year in Health Sciences : General Medicine(HA), Medical Laboratory Technology(MLT), Diagnostic Radiography, Homeopathy, Ayurveda, Amchi Science, Dental Science, Ophthalmic Science, Pharmacy, Physiotherapy and Acupuncture, Acupressure & Moxibustion.

SET A: Lab preparation of:

i. Chloroform (trichloromethane)

ii. Nitrobenzene

iii. Aniline

iv. Ethene ( ethylene)

v. Ethyne (acetylene)

vi. Diethyl ether (ethoxy ethane)

SET B: Lab preparation of:

i. Carbon monoxide   ii. Ammonia

iii. Sulphur dioxide    iv. Hydrogen sulphide.

SET C: Write short note on:

  1. Faraday’s laws of electrolysis
  2. Le Chatelier’s principle
  3. Bohr’s atomic model (postulates)
  4. Classical and electronic concept of oxidation and reduction.
  5. Law of mass action
  6. Hess’s law of constant heat summation.
  7. Homologous series
  8. Structural isomerism
  9. Markovnikov’s rule and anti- Markovnikov’s rule(peroxide effect)
  10. Oxidation of alcohols ( identification of primary, secondary and tertiary alcohol )
  11. Friedel Crafts reaction.
  12. Reduction of nitrobenzene in different media.
  13. Diazotization and coupling reaction.
  14. Acid rain and Green house effect.
  15. Permutit process for the removal of hardness of water.
  16. Allotropes of carbon.
  17. Different concepts of acids and bases with examples

SET D: Long and 4-marks questions

  1. Derive ideal gas equation (PV=nRT)
  2. Among CO2 and SO2 which one diffuses faster and why?
  3. Oxidation and reduction takes place simultaneously ( hand by hand), explain.
  4. What is nascent hydrogen? Show that nascent hydrogen is powerful reducing agent than molecular hydrogen.
  5. Write significance and limitation of a chemical equation(reaction).
  6. Define pH and pOH, Calculate the pH of (i) 0.1 M H2SO4 (ii) 0.5 M NaOH solution.
  7. What is normality ? How it is related with molarity? How can you prepare N/10 solution of sodium carbonate in 250 ml? (+ other numericals using N1V1=N2V2)
  8. What is solubility? (+ numericals of solubility)
  9. What is limiting reagent? (+ numericals of limiting reagent)
  10. What are exothermic and endothermic reactions? write examples. Draw energy profile diagram of exothermic and endothermic reaction.
  11. What are antipyretics, analgesics, antiseptics, antibiotics and tranquilizers? Write one example of each.

SET E: Very short questions ( 2 marks)

  1. What are antacids and antabases , write their (medical) uses.
  2. Write down the biological importance of sodium, potassium, magnesium and calcium.
  3. Why is CO toxic?
  4. Write the Lewis structure of: i. NH3 ii. H2SO4 iii. H2O , etc
  5. Define surface tension and viscosity.
  6. How does modern periodic law differs from Mendeleev’s periodic law?
  7. Define electrophile and nucleophile with example.
  8. What are deliquescent, hygroscopic and efflorescent solids? Write examples too.
  9. What are proteins and carbohydrates? List the functions.
  10. Identification of aldehyde by Tollen’s reagent( silver mirror test)
  11. Identification of alkene(ethene) by Baeyer’s test.
  12. Write any two types of chemical reactions with example.
  13. State Boyl’s , Charle’s law, Daltons law of partial pressure and Gram’s law of diffusion.
  14. Write importance of solubility curve.
  15. Differentiate between crystalline and amorphous solid.
  16. Define Aufbau principle. Write the electronic configuration of elements having atomic number 20, 24 and 29.
  17. Define intermolecular and intramolecular hydrogen bonding with example.
  18. Differentiate electrovalent ( ionic) and covalent bond with example.
  19. Define oxidant ( oxidizing agent), reductant ( reducing agent) and redox reaction with example.
  20. What is ECE (electrochemical equivalent)?
  21. Define conjugate acid and bases with example.
  22. Show that water acts as both Bronsted- Lowry acid and base.
  23. Define one mole and Avogadros number.
  24. Define primary and secondary standard solution with examples. Write the requisites for a compound to be primary standard.
  25. Differentiate between order and molecularity of reaction.
  26. Write short note on wurtz reaction and ozonolysis with example.
  27. Chloroform is stored in a dark bottle, why?
  28. It is dangerous to boil a sample of ether stored for a long time, why?
  29. Differentiate between ortho and para hydrogen.
  30. Write name of isotopes of hydrogen with one use of each, what is radioactive isotope?
  31. What do you mean by hard and soft water? What are the causes of hardness of water?
  32. Write the methods for the purification of drinking water.
  33. Define heavy water. Write its one use.
  34. Define phosphorescence with reaction.

       See CTEVT chemistry complete notes..