Day 2: MH HSC Class 12 Chemistry

5 questions. Try each one first, then open its answer.

Question 1
Transition and Inner Transition Elements. Asked 4 times: Mar 2016, Mar 2023, Feb 2025, Feb 2026
Q. 10 $Write two similarities and two differences between lanthanoids and actinoids.$
Question 2
Chemical Kinetics. Asked 4 times: Mar 2014, Mar 2022, Feb 2024, Feb 2025
Q.3 $Derive the relation between half life and rate constant for a first order reaction.$
Question 3
Chemical Kinetics. Asked 3 times: Feb 2024, Jul 2025, Jun 2026
Answer the following questions :
Q.2.viii $Write the unit of rate constant of zero order reaction.$
Question 4
Chemical Kinetics. Asked 3 times: Mar 2016*, Jul 2024*, Jun 2026 (* = numbers or wording changed that year)
Q. 13 $In first order reaction 60% of reactant decomposes in 40 min. Calculate the rate constant of the reaction.$
Question 5
Coordination Compounds. Asked 3 times: Mar 2015, Mar 2023, Jun 2026
Q. 21 $\mathrm{[CoF_6]^{3-}}$

Question 1