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

Write the name of the reagent and equation for the preparation of the following ether by Williamson’s synthesis:

2-Methoxy-2-methylpropane 

Describe a method for refining nickel.

Describe a method for refining nickel.

Write the name of reagent and equation for the preparation of the following ethers by Williamson’s synthesis:

2-Methoxy-2-methylpropane

What will be the product (X and A)for the following reaction

  \[\ce{acetylchloride->[i)CH3MgBr][ii)H3O+]X ->[acidk2crp3]A}\] 

Describe a method for refining nickel.

Describe a method for refining nickel.

Describe a method for refining nickel.

The depression in freezing point of water observed for the same amount of acetic acid, trichloroacetic acid and trifluoroacetic acid increases in the order given above. Explain briefly.

Write the names of reagents and equations for the preparation of the following ether by Williamson’s synthesis:

2-Methoxy-2-methylpropane

Write the name of reagent and equation for the preparation of the following ethers by Williamson’s synthesis:

2-Methoxy-2-methylpropane

Describe a method for refining nickel.

Write the name of reagent and equation for the preparation of the following ethers by Williamson’s synthesis:

2-Methoxy-2-methylpropane

Describe a method for refining nickel.

Describe a method for refining nickel.

Write the name of reagent and equation for the preparation of the following ether by Williamson’s synthesis:

2-Methoxy-2-methylpropane 

Write the name of reagent and equation for the preparation of the following ether by Williamson’s synthesis:

2-Methoxy-2-methylpropane

Describe a method for refining nickel.

Write the name of reagent and equation for the preparation of the following ether by Williamson’s synthesis:

2-Methoxy-2-methylpropane

What type of point defect is produced when AgCl is doped with CdCl₂?