Alcohols, Phenols and Ethers · Question 15

Reaction between acetone and methylmagnesium chloride followed by hydrolysis will give :

1. Sec. butyl alcohol
2. Tert. butyl alcohol
3. Isobutyl alcohol
4. Isopropyl alcohol

The compound that is most difficult to protonate is :

1. [figure]
2. [figure]
3. [figure]
4. [figure]

The structure of intermediate A in the following reaction, is : [figure]

1. [figure]
2. [figure]
3. [figure]
4. [figure]

The compound A on treatment with Na gives B, and with PCl5 gives C. B and C react together to give diethyl ether. A, B and C are in the order

1. C2H5OH, C2H6, C2H5Cl
2. C2H5OH, C2H5Cl, C2H5ONa
3. C2H5Cl, C2H6, C2H5OH
4. C2H5OH, C2H5ONa, C2H5Cl

In the reaction, [figure] the electrophile involved is

1. dichloromethyl cation ( CHCl2)
2. formyl cation ( CHO)
3. dichloromethyl anion ( CHCl2)
4. dichlorocarbene (:CCl2)

Identify the major products P, Q and R in the following sequence of reactions : [figure]

1. [figure]
2. [figure]
3. [figure]
4. [figure]

The heating of phenyl methyl ether with HI produces

1. iodobenzene
2. phenol
3. benzene
4. ethyl chloride.

Which one is the most acidic compound?

1. [figure]
2. [figure]
3. [figure]
4. [figure]

The reaction [figure] can be classified as

1. dehydration reaction
2. Williamson alcohol synthesis reaction
3. Williamson ether synthesis reaction
4. alcohol formation reaction.

Which of the following is not the product of dehydration of [figure]

1. [figure]
2. [figure]
3. [figure]
4. [figure]