List of top Chemistry Questions asked in Maharashtra Board Class XII Exam

Write preparation of glucose from sucrose.
Calculate the work done in kJ in a reaction, if volume of the reactant decreases from 8 dm\(^3\) to 4 dm\(^3\) against 43 bar pressure. [ 1 dm\(^3\) bar = 100J ]
Write the differences between lanthanoids and actinoids.
Explain ionization isomers with suitable example in complexes.
What is the action of : (i) Liquid bromine in acetic acid on anisole. (ii) Soda-lime on sodium acetate?
State Henry's law.
The rate law equation for A \(\rightarrow\) Product, is rate = k[A]\(^x\). What is the effect of increase in concentration of 'A' on rate of reaction, if x<0?
Write the balanced chemical equation, when excess of ammonia is treated with chlorine.
Write the names of the metal elements in brass alloy.
Write the structural formula of N, N-dimethylethanamine.
Write the number of donor atoms present in EDTA, during formation of complex.
What is the molality of an aqueous solution of KBr having freezing point -3.72\(^\circ\)C (K\(_f\) for water is 1.86 K kg mol\(^{-1}\))?
Write the IUPAC name of isoprene.
Write the reagents used for the reduction of carbonyl group in Clemmensen's reduction.
One dimensional nanostructure amongst the following is _______.
The value of \( \Delta n_g \) for the oxidation of 4 mole of sulphur dioxide to sulphur trioxide is _______.
The highest acidic compound among the following is _______.
Which of the following is a secondary amine?
Which formula co-relates degree of dissociation and concentration of electrolyte?
The formula used to calculate molar conductivity of an electrolyte is _______.
Ozone layer is depleted by _______.
When excess of AgNO\(_3\) is added to a complex, one mole of AgCl is precipitated. The formula of complex is _______.
The freezing point of 0.1m aqueous solution of urea, if \( K_f \) for water is 1.86 K kg mol\(^{-1}\) is _______.
Explain the buffer action of the sodium acetate-acetic acid buffer.
What are interhalogen compounds? Write the chemical reaction when chlorine reacts with dry slaked lime.