List of top Chemistry Questions asked in Bihar Board Class XII

The structure of NaCl crystal is
Which of the following is an amorphous solid ?
An octahedral void is surrounded by how many spheres ?
The osmotic pressure of a solution is represented by which of the following equations?
Which of the following modes of expressing concentration of solution does not depend upon temperature ?
Which of the following show positive deviation from Raoult's law?
Which of the following types of crystal is diamond?
Which of the following is the most basic?
Methylamine on heating with chloroform and alcoholic KOH gives
The helical structure of protein is stabilized by which of the following?
Which of the following is a ketohexose?
Acetamide is
With which of the following does acetic acid not form acyl chloride?
The unit of rate constant of a second order reaction is
If the rate equation for a reaction is \( \frac{dx}{dt} = k[H]^{1/2}[B]^{1/2} \), the order of the reaction is
Which of the following catalysts is used in the manufacture of ammonia by Haber’s process?
Milk is
Which of the following is a lyophilic colloid?
According to Freundlich adsorption isotherm
Which of the following is not a first order reaction?
The electronic configuration of Cu2+ (Z = 29) is:
Identify one anionic radical in the given inorganic salt ``M$_3$'' by performing dry and wet tests.
Identify one cationic radical in the given inorganic salt ``M$_3$'' by performing dry and wet tests.
Prepare soap in the laboratory and submit it for inspection.
Identify one functional group in the given organic compound O₃.