List of top Questions asked in Bihar Board Class XII

\( \text{F}_2\text{C} = \text{CF}_2 \) is a monomer of which of the following?
Which of the following is the molecular formula of Orthophosphoric acid?
The structure of XeF₄ is
Which of the following halogens does not exhibit a positive oxidation state?
Which of the following has the smallest bond angle?
Which of the following has the maximum number of unpaired electrons?
The maximum oxidation state of chromium is
The number of unpaired electrons in \( \text{Cu}^{2+} \) ion (Z = 29) is
The structure of NaCl crystal is
Which of the following is an amorphous solid ?
An octahedral void is surrounded by how many spheres ?
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?
The osmotic pressure of a solution is represented by which of the following equations?
Acetamide is
Methylamine on heating with chloroform and alcoholic KOH gives
Which of the following is the most basic?
The helical structure of protein is stabilized by which of the following?
Which of the following is a ketohexose?
Which of the following types of crystal is diamond?
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
According to Freundlich adsorption isotherm
Milk is
Which of the following is a lyophilic colloid?