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

How the following conversion can be carried out?

Chloroethane to butane

Give the disproportionation reaction of H₃PO₃

What is the oxidation state of phosphorus in H₃PO₃?

What is the oxidation state of phosphorus in the following:

PCl₃

What is the oxidation state of phosphorus in the following:

Ca₃P₂

What is the oxidation state of phosphorus in the following:

Na₃PO₄

What is the oxidation state of phosphorus in the following:

POF₃

Write names and chemical formulae of monomers used in preparing Buna-N.

Write the reactions involved in the following reactions: Clemmensen reduction

Calculate the degree of dissociation (α) of acetic acid if its molar conductivity (Λ_m) is 39.05 S cm² mol⁻¹.

(Given \[\ce{\lambda^{\circ}_{(H^+)}}\] = 349.6 S cm² mol⁻¹ and \[\ce{\lambda^{\circ}_{(CH_3COO^-)}}\] = 40.95 S cm² mol⁻¹)

Write the product(s) in the following reactions

Write the mechanism (using curved arrow notation) of the following reaction :

Write the equation involved in the following reaction:

Etard reaction

30 g of urea (M = 60 g mol⁻¹) is dissolved in 846 g of water. Calculate the vapour pressure of water for this solution if vapour pressure of pure water at 298 K is 23·8 mm Hg.

Complete the following reactions:

Complete the following reactions:

Define the following terms :

Limiting molar conductivity

Write the chemical equations to illustrate the following name reactions:

Aldol condensation

State Raoult's law for the solution containing volatile components. What is the similarity between Raoult's law and Henry's law?

Draw the structures of the following compounds :

 N₂O₅