HSC Science (Computer Science) 12th Standard Board Exam - Maharashtra State Board Question Bank Solutions for Chemistry

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 ______.

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

Oxidation of ethyl alcohol using K₂Cr₂O₇/dil H₂SO₄ leads to formation of _______________

When vapours of tert.butyl alcohol are passed over hot copper, it gives _____________

Reaction between hot conc. HI and anisole gives ______________

The reagents used to convert phenol to 2,4,6-tribromophenol is _____________

Arrange the following in decreasing order of acid strength.

CH₃OH, CH₃–CH₂–OH, CH₃–CH(OH)–CH₃, (CH₃)₃–C–OH

Write IUPAC name of crotonyl alcohol.