List of top Chemistry Questions asked in MPBSE Class XII Board

The oxidation number of Fe in \( K_2[Fe(CN)_6] \) is:

Match the pairs correctly: 

Write the IUPAC names of the following coordination compound: \([Co(NH_3)_6]Cl_3\)

Write the structure of following compound:

Complete and write the following reactions: 

Draw the labelled diagram of Electro-chemical cell and write its structure and chemical reaction.
Write and derive Nernst equation.
How will you prepare the following from acetic acid \((CH_3COOH\)?
Write the Chemical equations:
Acetic Anhydride.
Ethyl Acetate.
Acetyl Chloride.
Ethyl Alcohol.
Acetamide.
Write the mechanism of SN1 and SN2 reactions.
Write the following reactions with chemical equation:
Sandmeyer's reaction
Fittig reaction
Write any three differences between d-block and f-block elements.
The vapour pressure of pure benzene at a certain temperature is 0.850 bar and 0.5 gm of a non-volatile non-electrolyte solid weighing is added to 39.0 gm of benzene (Molar mass 78 g mol\(^{-1}\)) then the vapour pressure of the solution is 0.845 bar. What is the molar mass of the solid substance?
Write the unit of rate constant for first order of reaction and second order of reaction.
Write the following with definition:
Rate determining step
Order of reaction
Write any three differences between Lanthanoid and Actinoid.
Write only chemical equation for the following reactions:
18 gm glucose \(C_6H_{12}O_6\) is dissolved in 1 kg of water in a saucepan. At what temperature will water boil at 1.013 bar? Kb for water is 0.52 K kg mol\(^{-1}\).
Write any two differences between Fibrous Protein and Globular Protein.
Write any two differences between DNA and RNA.
Write the Etard reaction with chemical equation.
Write two uses of Carboxylic Acid.
Write the definition of hydrate isomerism with example.
Define coordination number with example.
Define oxidation number of central metal atom with example.
Write only chemical equation for following conversion: \[ \text{CH}_3\text{-CH}_2\text{-Cl} \rightarrow \text{CH}_3\text{-CH}_2\text{-NH}_2 \]