Given below are two statements:

Statement I : Aqueous solution of K$$_2$$Cr$$_2$$O$$_7$$ is preferred as a primary standard in volumetric analysis over Na$$_2$$Cr$$_2$$O$$_7$$ aqueous solution.

Statement II : K$$_2$$Cr$$_2$$O$$_7$$ has a higher solubility in water than Na$$_2$$Cr$$_2$$O$$_7$$.

In the light of the above statements, choose the correct answer from the options given below:

Suitable reaction condition for preparation of Methyl phenyl ether is

Match List I with List II

Choose the correct answer from the options given below:

Identify the correct order of reactivity for the following pairs towards the respective mechanism

Choose the correct answer from the options given below: