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

Write the IUPAC name of 

Write the IUPAC names of the following coordination compounds: [Cr(NH₃)₃Cl₃]

Write the IUPAC name of the given compound:

Gas (A) is more soluble in water than Gas (B) at the same temperature. Which one of the two gases will have the higher value of KH (Henry’s constant) and why

When a coordination compound CoCl₃.6NH₃ is mixed with AgNO₃, 3moles of AgCl are precipitated per mole of the compound. Write the IUPAC name of the coordination compound.

An element crystallises in a b.c.c lattice with cell edge of 500 pm. The density of the element is 7.5g cm^-3. How many atoms are present in 300 g of the element?

Give reasons for the following: (CH₃)₂NH is more basic than (CH₃)₃N in an aqueous solution.

Give reason for the following:

Primary amines have higher boiling point than tertiary amines.

Write the product in the following reaction

Out of white phosphorus and red phosphorus, which one is more reactive and why?

Write the IUPAC name of the given compound:

State Henry’s law.

Why do gases always tend to be less soluble in liquids as the temperature is raised?

Write down the IUPAC name of the following complex: [Co(NH₃)₅ (NO₂)](NO₃)₂

Arrange the following: C₂H₅NH₂, C₂H₅OH, (CH₃)₃N – in the increasing order of their boiling point

Write the IUPAC name of the given compound:

When a co-ordination compound CrCl₃.6H₂O is mixed with AgNO₃, 2 moles of AgCl are precipitated per mole of the compound. Write

(i) Structural formula of the complex.

(ii) IUPAC name of the complex.

Write the product in the following reaction:

Write the IUPAC name of the given compound :

Write down the IUPAC name of the following complex: [Cr(NH₃)₂Cl₂(en)]Cl (en = ethylenediamine)