This online mock test covers the following chemistry practice questions with bilingual explanations, negative marking schemes, and interactive CBT interface. Students searching for these topics can practice the complete test online with real-time timers:

1. Spectroscopy MCQ Test Based on Previous Year Question Paper | Q1 | An auxochrome is one which is
2. Hypsochromic effect is also called: Spectroscopy MCQ Test Based on Previous Year Question Paper | Q2 | Hypsochromic effect is also called:
   Hypsochromic effect is also called:
3. The equation Io log₁₀ I = ECl is an expression of: Spectroscopy MCQ Test Based on Previous Year Question Paper | Q3 | The equation Io log₁₀ I = ECl is an expression of:
   The equation Io log₁₀ I = ECl is an expression of:
4. Higher value of energy is required for the transition of electron: Spectroscopy MCQ Test Based on Previous Year Question Paper | Q4 | Higher value of energy is required for the transition of electron: (A) π → π*
   Higher value of energy is required for the transition of electron:
5. Ka band originated as a result of: Spectroscopy MCQ Test Based on Previous Year Question Paper | Q5 | Ka band originated as a result of:
   Ka band originated as a result of:
6. The base value of homoannular diene is: Spectroscopy MCQ Test Based on Previous Year Question Paper | Q6 | The base value of homoannular diene is:
   The base value of homoannular diene is:
7. The value of extinction coefficient increases with: Spectroscopy MCQ Test Based on Previous Year Question Paper | Q7 | The value of extinction coefficient increases with:
   The value of extinction coefficient increases with:
8. Calculate λmax for the compound Spectroscopy MCQ Test Based on Previous Year Question Paper | Q8 | Calculate λmax for the compound
   Calculate λmax for the compound
9. Which of the following cannot be detected with the help of UV-spectroscopy? Spectroscopy MCQ Test Based on Previous Year Question Paper | Q9 | Spectroscopy
   Which of the following cannot be detected with the help of UV-spectroscopy?
10. Overtones are mainly observed in: Spectroscopy MCQ Test Based on Previous Year Question Paper | Q10 | Spectroscopy
    Overtones are mainly observed in:
11. Formula for total number of vibration modes for non-linear molecule: Spectroscopy MCQ Test Based on Previous Year Question Paper | Q11 | Spectroscopy
    Formula for total number of vibration modes for non-linear molecule:
12. Which region of the IR spectrum is typically used for detection of functional groups? Spectroscopy MCQ Test Based on Previous Year Question Paper | Q12 | Spectroscopy
    Which region of the IR spectrum is typically used for detection of functional groups?
13. The total number of modes of vibration for H₂O molecule are: Spectroscopy MCQ Test Based on Previous Year Question Paper | Q13 | Spectroscopy
    The total number of modes of vibration for H₂O molecule are:
14. Which region of the IR spectra is used to identify the presence of an -OH group? Spectroscopy MCQ Test Based on Previous Year Question Paper | Q14 | Spectroscopy
    Which region of the IR spectra is used to identify the presence of an -OH group?
15. C–H stretch of aldehyde group shows IR absorption frequency in the range of: Spectroscopy MCQ Test Based on Previous Year Question Paper | Q15 | Spectroscopy
    C–H stretch of aldehyde group shows IR absorption frequency in the range of:
16. Molecule which is IR active: Spectroscopy MCQ Test Based on Previous Year Question Paper | Q16 | Spectroscopy
    Molecule which is IR active:
17. Hooke's law for the vibrational frequency may be represented as: Spectroscopy MCQ Test Based on Previous Year Question Paper | Q17 | Spectroscopy
    Hooke's law for the vibrational frequency may be represented as:
18. For a pure rotational spectrum, the selection rule is: Spectroscopy MCQ Test Based on Previous Year Question Paper | Q18 | Spectroscopy
    For a pure rotational spectrum, the selection rule is:
19. Which of the following is NOT a type of bending mode? Spectroscopy MCQ Test Based on Previous Year Question Paper | Q19 | Spectroscopy
    Which of the following is NOT a type of bending mode?
20. Read the following data.IR Spectra Observation: The IR spectrum of an oxygen-containing compound shows three significant absorption peaks at the following wave numbers:2960 cm⁻¹ — Corresponds to C–H stretching (alkyl group)1720 cm⁻¹ — Indicative of a C=O (carbonyl) stretching, commonly seen in aldehydes, ketones, esters, or carboxylic acids750 cm⁻¹ — Suggests C–H bending (out-of-plane bending of aromatic or alkyl substituted chains)The wavelength corresponding to the peak at 1720 cm-1 is Spectroscopy MCQ Test Based on Previous Year Question Paper | Q20 | Spectroscopy
    Read the following data.IR Spectra Observation: The IR spectrum of an oxygen-containing compound shows three significant absorption peaks at the following wave numbers:2960 cm⁻¹ — Corresponds to C–H stretching (alkyl group)1720 cm⁻¹ — Indicative of a C=O (carbonyl) stretching, commonly seen in aldehydes, ketones, esters, or carboxylic acids750 cm⁻¹ — Suggests C–H bending (out-of-plane bending of aromatic or alkyl substituted chains)The wavelength corresponding to the peak at 1720 cm-1 is
21. Far IR region mainly consists of: Spectroscopy MCQ Test Based on Previous Year Question Paper | Q21 | Far IR region mainly consists of:
    Far IR region mainly consists of:
22. The correct order of the decreasing frequency of electromagnetic radiation is: Spectroscopy MCQ Test Based on Previous Year Question Paper | Q22 | The correct order of the decreasing frequency of electromagnetic radiation is:
    The correct order of the decreasing frequency of electromagnetic radiation is:
23. Which type of group can be identified in IR spectroscopy? Spectroscopy MCQ Test Based on Previous Year Question Paper | Q23 | Which type of group can be identified in IR spectroscopy?
    Which type of group can be identified in IR spectroscopy?
24. The angular wave function of hydrogen depends upon the quantum numbers: Spectroscopy MCQ Test Based on Previous Year Question Paper | Q24 | The angular wave function of hydrogen depends upon the quantum numbers:
    The angular wave function of hydrogen depends upon the quantum numbers:
25. Acceptable wave function for a quantum particle must be: Spectroscopy MCQ Test Based on Previous Year Question Paper | Q25 | Acceptable wave function for a quantum particle must be:
    Acceptable wave function for a quantum particle must be:
26. The motion of wave particle is similar to: Spectroscopy MCQ Test Based on Previous Year Question Paper | Q26 | The motion of wave particle is similar to:
    The motion of wave particle is similar to:
27. The concept of matter wave was suggested by: Spectroscopy MCQ Test Based on Previous Year Question Paper | Q27 | The concept of matter wave was suggested by:
    The concept of matter wave was suggested by:
28. What is the main point of de-Broglie equation? Spectroscopy MCQ Test Based on Previous Year Question Paper | Q28 | What is the main point of de-Broglie equation?
    What is the main point of de-Broglie equation?
29. Which two characteristics are variables in Heisenberg's uncertainty principle? Spectroscopy MCQ Test Based on Previous Year Question Paper | Q29 | Which two characteristics are variables in Heisenberg's uncertainty principle?
    Which two characteristics are variables in Heisenberg's uncertainty principle?
30. Energy of a wave divided by its momentum gives: Spectroscopy MCQ Test Based on Previous Year Question Paper | Q30 | Energy of a wave divided by its momentum gives:
    Energy of a wave divided by its momentum gives:
31. The unit of force constant in CGS unit is: Spectroscopy MCQ Test Based on Previous Year Question Paper | Q31 | Multiple Choice Question
    The unit of force constant in CGS unit is: