Science (English Medium) इयत्ता १२ - CBSE Question Bank Solutions for Chemistry

Mg reacts with RBr best in ____________.

Isopropyl alcohol is obtained by reacting which of the following alkenes with concentrated H₂SO₄ followed by boiling with H₂O?

The correct order of boiling points for primary (1°), secondary (2°) and tertiary alcohol (3°) is:

Alcohols of low molecular weight are _____________.

Which of the following has lowest boiling point?

Which statement is not correct about alcohol?

Which one of the following alcohols is least soluble in water?

Which of the following is a disaccharide?

The sugar that is characteristic of milk is ____________.

Which one is a disaccharide?

The commonest disaccharide has the molecular formula:

Maltose and glucose are ____________.

Sucrose on hydrolysis gives:

p-dichlorobenzene has a higher melting point than its o- and m-isomers because ____________.

Which of the following has not a glucosidic linkage?

In NaCl structure ____________.

When 1 mole of benzene is mixed with 1 mole of toluene? (vapour pressure of benzene – 12.8 kPa, Toluene = 3.85 kPa)

Assertion: When methyl alcohol is added to water, the boiling point of water increases.

Reason: When a volatile solute is added to a volatile solvent elevation in boiling point is observed.

Arrange the following compounds in the increasing order of their densities.

(a)

(b)

(c)

(d)

Maximum oxidation state exhibited by Chlorine is ______.