Phenols

In the given conversion the compound A is :

Given below are two statements.

Statement I : Phenols are weakly acidic.

Statement II : Therefore they are freely soluble in NaOH solution and are weaker acids than alcohols and water.

Choose the most appropriate option :

$$\mathrm{A+CH_3CH_2OH\longrightarrow C_6H_6\xrightarrow[(ii)\ NaOH\ (iii)\ HCl]{(i)\ H_2SO_4\ (oleum),\ \Delta}B}$$

Consider the above reaction sequence. Identify the component A and component B :

Arrange the following in decreasing acidic strength.

The difference in the reaction of phenol with bromine in chloroform and bromine in water medium is due to :

Hydrolysis of which compound will give carbolic acid?

In the above reaction product B is:

Product B is

In the following reaction

The % yield for reaction I is 60% and that of reaction II is 50%. The overall yield of the complete reaction is ______%. [nearest integer]

Identify the major products A and B for the below given reaction sequence.

Compound I is heated with Conc. HI to give a hydroxy compound A which is further heated with Zn dust to give compound B. Identify A and B.

4-Hydroxybenzaldehyde is treated with Br$_2$ to give A; A with NH$_2$OH gives B; B is heated with P$_2$O$_5$ to give C.

Consider the above reaction sequence, the Product 'C' is :

A compound 'X' is acidic and it is soluble in NaOH solution, but insoluble in NaHCO$_3$ solution. Compound 'X' also gives violet colour with neutral FeCl$_3$ solution. The compound 'X' is :

Which of the following compound gives pink colour on reaction with phthalic anhydride in conc. H$_2$SO$_4$ followed by treatment with NaOH ?

An organic compound ($\ce{C8H10O2}$) rotates plane-polarized light. It produces pink color with neutral $\ce{FeCl3}$ solution. What is the total number of all the possible isomers for this compound?

Schemes 1 and 2 describe the conversion of P to Q and R to S, respectively. Scheme 3 describes the synthesis of T from Q and S. The total number of Br atoms in a molecule of T is ______

The major product of the following reaction is

The major product of the following reaction is :

The correct statement(s) about the following reaction sequence is(are)

$$\text{Cumene }(\ce{C9H12})\xrightarrow[\text{ii) }\ce{H3O+}]{\text{i) }\ce{O2}}\mathbf P\xrightarrow{\ce{CHCl3/NaOH}}\mathbf Q\text{ (major)}+\mathbf R\text{ (minor)}$$
$$\mathbf Q\xrightarrow[\ce{PhCH2Br}]{\ce{NaOH}}\mathbf S$$

The number of resonance structures for N is

The major product U in the following reactions is