Place the best reagent in the bin for each of the following reactions involving cyclohexylmethanol

Place the best reagent in the bin for each of the following reactions involving cyclohexylmethanol.

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Concepts and reason
The concept used to solve this problem is reagent.
For a chemical reaction to occur, there are some substances that are needed and these are termed as reagents.

Fundamentals
Reagents are the substances which are used for the analysis or to bring a desire change in the chemical reaction.

Answer:
Consider the following reaction:
image

This is a Jones oxidation reaction. The reagent used is image.

Consider the following reaction:
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This is an oxidation reaction of primary alcohol to an aldehyde. And the reagent used is PCC .
The reaction mechanism is:

Consider the following reaction:
image
This is a nucleophilic substitution reaction. The reagent used is image .

Consider the following reaction:
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It is an SN2 reaction. The reagents used are image

Consider the following reaction:
image
The reagent used in this reaction is image.

The reactions of cyclohexyl methanol with the best reagents are shown below:
image.