List of top Chemistry Questions asked in Maharashtra Class XII

What is the action of ethane-1, 2 - diol on acetone?
Write Tollen's reagent test for acetaldehyde.
Write a reaction for preparation of Nylon-6.
Convert : (a) Benzene into benzaldehyde, (b) Cyclohexene into adipic acid.
Write the formula to measure % atom economy according to green chemistry.
Calculate the work done in oxidation of 2 moles of \(SO_2\) at 298 K, if \(SO_{2(g) + \frac{1}{2}O_{2(g)} \rightarrow SO_{3(g)}\) [Given : R = 8.314 J/K/mol].}
Define Green chemistry.
Write observed electronic configuration of chromium (Z = 24).
Write examples of coordination metal complexes in biology.
Write general characteristics of interhalogen compounds.
Calculate magnetic moment of \(Ti^{3+}\) by using spin only formula. (Z of Ti = 22)
Convert Phenol into o-phenol sulfonic acid.
Convert Ethanol into sodium ethoxide.
Convert Bromomethane into methoxyethane.
What is peptide linkage?
Explain amphoteric nature of water.
Write statement of second law of thermodynamics.
Derive relationship between relative lowering of vapour pressure and molar mass of non volatile solute.
Convert, acetamide into ethyl amine.
Explain Cannizzaro reaction with suitable example.
Write two similarities and two differences between lanthanoids and actinoids.
What is the action of following reagents on chlorobenzene? (i) conc. $HNO_3$, (ii) fuming $H_2SO_4$
Write example of one dimensional nanostructure of size less than 100 nm.
Write the mathematical equation of first law of thermodynamics for following processes : (a) Isochoric process, (b) Adiabatic process
Calculate the osmotic pressure of solution containing 0.822 gm of sucrose in 300 mL of water at 298 K. [ Given : Molar mass of sucrose 342 g/mol, R = 0.08205 $dm^3$ atm $K^{-1}$ $mol^{-1}$ ]