List of top Chemistry Questions asked in NBSE Class XII

Differentiate between DNA and RNA.
Explain the SN1 and SN2 mechanisms with suitable examples and reactivity orders.
How can you distinguish between Aldehydes and Ketones using the Tollen’s or Fehling’s test?
Why is Phenol more acidic than alcohols?
State Raoult’s Law for volatile solutes and explain its deviations.
Define Colligative Properties and provide two examples.
What is Lanthanoid Contraction and what are its consequences?
Define Molar Conductivity and explain its variation with concentration for strong and weak electrolytes.
Calculate the EMF of a cell using the Nernst Equation.
Explain the difference between Physisorption and Chemisorption.
Discuss Werner’s Theory of coordination compounds.