HSC Science (Computer Science) इयत्ता १२ वी - Maharashtra State Board Question Bank Solutions for Chemistry

Answer the following

Explain the role of green chemistry.

Answer the following in brief.

What are the units of the rate constant?

Derive the integrated rate law for the zeroth order reaction. 

Answer the following in brief.

Give one example and explain why it is pseudo-first-order.

Explain homoleptic and heteroleptic complexes.

Explain the magnetic properties of [Ni(CN₄)]^2–.

Write the correct decreasing order of boiling point for bromomethane, chloroform, dibromomethane and bromoform.

The following crystal systems contain 4 Bravais lattices?

The unit cell of a simple cubic system has atoms at the eight corners. Hence, number of atoms in a unit cell is ______.

In crystal lattice formed by primitive unit cell, the space occupied by particles is ______.

Write the effect on density of a substance in the Frenkel defect?

Name the bravais lattice in the triclinic system.

Draw diagram of bcc unit cell.

The unit cell of Na is bcc and its density is 0.97 g/cm³. What is the radius of a sodium atom if the molar mass of Na is 23 g/mol?

Sugar dissolves in water because ______.

The solubility of a gas in water ______.

The units of Henry’s law constant are ______.

The Henry’s law constant of a gas is 6.7 × 10^–4 mol/(L bar). Its solubility when the partial pressure of the gas at 298 K is 0.65 bar is ______.

State Henry’s law.

Reaction between Grignard reagent and aldehyde other than formaldehyde leads to formation of _______________