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

Write the name of the reaction, structure and IUPAC name of the product formed when:

\[\ce{CH3CH2CH(CH3)CH(CH3) ONa}\] reacts with \[\ce{C2H5Br}\]

The vapour pressure of pure water at a certain temperature is 23.80 mm Hg. If 1 mole of a non-volatile non-electrolytic solute is dissolved in 100g water, Calculate the resultant vapour pressure of the solution.

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 ethers 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

Write the name of the reagent and equation for the preparation of the following ether by Williamson’s synthesis:
2-Methoxy-2-methylpropane

Draw the structure of the following compound.

3-Bromo-4-phenylpentanoic acid

Write the name of reagents and equations for the preparation of the following ethers by Williamson’s synthesis:

2-Methoxy-2-methylpropane

Write balanced equations for a coloured metallic oxide which dissolves in alkalis to yield colourless solutions.

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

2-Methoxy-2-methylpropane

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

2-Methoxy-2-methylpropane 

Draw the structure of the following compound.

3-Bromo-4-phenylpentanoic acid

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

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

Explain why Grignard reagents should be prepared under anhydrous conditions?

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

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

2-Methoxy-2-methylpropane

Draw the structure of the given compound.

3-Bromo-4-phenylpentanoic acid