List of top Chemistry Questions asked in Maharashtra Class XII

Write the structure of zwitter ion of sulfanilic acid. Write the reaction between benzene diazonium chloride and phenol in alkaline medium.
Define : Common ion effect.
Write preparation of glucose from starch.
Write Tollen's reagent test for acetaldehyde.
What is the action of ethane-1, 2 - diol on acetone?
Write the postulates of Werner's theory of co-ordination complexes.
The salt of \(Sc^{3+}\) ion is colourless and the salt of \(Mn^{3+}\) ion is coloured. Explain. [Z of Sc = 21 and Z of Mn = 25]
Write a reaction for preparation of Nylon-6.
Write the formula to measure % atom economy according to green chemistry.
Convert : (a) Benzene into benzaldehyde, (b) Cyclohexene into adipic acid.
Write observed electronic configuration of chromium (Z = 24).
Calculate magnetic moment of \(Ti^{3+}\) by using spin only formula. (Z of Ti = 22)
Write general characteristics of interhalogen compounds.
Write examples of coordination metal complexes in biology.
Define Green chemistry.
Convert Ethanol into sodium ethoxide.
Convert Bromomethane into methoxyethane.
Convert Phenol into o-phenol sulfonic acid.
What is peptide linkage?
Explain amphoteric nature of water.
Convert, acetamide into ethyl amine.
Derive relationship between relative lowering of vapour pressure and molar mass of non volatile solute.
Write statement of second law of thermodynamics.
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 $H_2SO_4$