ISSB Initial Tests (Academic Test) FLP 2 Free Quiz

1. The volume occupied by 1 mole of any gas at STP is known as:

A. Molar volume B. Molecular volume C. Atomic volume D. Specific volume

2. The angular momentum of an electron in the nth orbit is:

A. nh B. nh/4π C. nh/2π D. 2πnh

3. The principal quantum number (n) defines:

A. Shape of orbital B. Orientation of orbital C. Energy level (shell) D. Spin of electron

4. An orbital is defined as:

A. Exact path of electron B. Fixed circular orbit C. Region of maximum probability D. Nucleus of atom

5. Specific heat of water is:

A. 4.18 J/g°C B. 2.09 J/g°C C. 1.00 J/g°C D. 0.45 J/g°C

6. Gibbs free energy is defined as:

A. G = H + TS B. G = H - TS C. G = H - TS D. G = U + PV

7. Heat of combustion is for:

A. Complete combustion of 1 mole B. Partial combustion C. Reaction with water D. Neutralization

8. Base dissociation constant (K_b) is for:

A. K_a B. K_b C. K_w D. K_sp

9. Rate constant (k) is:

A. Changes with concentration B. Changes with time C. Same for all reactions D. Specific to reaction and temperature

10. Order of a reaction:

A. Always integer B. Can be fractional C. Same as molecularity D. Always positive

11. Enzymes are:

A. Inorganic catalysts B. Biological catalysts C. Metallic catalysts D. Acid catalysts

12. A reducing agent:

A. Causes oxidation, itself reduced B. Causes reduction, itself reduced C. Causes oxidation, itself oxidized D. Causes reduction, itself oxidized

13. 1 Faraday is equal to:

A. 1 C B. 96500 C C. 96500 C D. 96500 J

14. Al₂O₃ is:

A. Basic B. Amphoteric C. Acidic D. Neutral

15. Common oxidation states of copper are:

A. +2 and +3 B. +3 and +4 C. +1 and +2 D. +1 and +3

16. Bond order in resonance hybrid is:

A. Average of contributing structures B. Highest among structures C. Lowest among structures D. Always integer

17. The IUPAC name of C₃H₈ is:

A. Ethane B. Butane C. Propane D. Pentane

18. In a secondary alkyl halide, the C-X carbon is:

A. Attached to two carbons B. Attached to one carbon C. Attached to three carbons D. Attached to no carbons

19. Rate law for Sₙ1 is:

A. Rate = k [RX][Nu⁻] B. Rate = k [RX] C. Rate = k [Nu⁻] D. Rate = k [RX]²

20. Phenol is prepared from benzene via:

A. Sulfonation, NaOH fusion, acidification B. Nitration, reduction C. Halogenation, hydrolysis D. Oxidation of benzene