Alcohol, Phenols and Ethers

\(\text { The ratio of } \sigma \text { bonds to } \pi \text { bonds in } Q \text { is }\)

\(\text { What are } X \text { and } Y \text { in the following reaction sequence? }\)
\(\text { Isopentane } \xrightarrow{\mathrm{KMnO}_4} X \xrightarrow[358 \mathrm{~K}]{20 \% \mathrm{H}_3 \mathrm{PO}_4} Y\)

An alochol $X\left(\mathrm{C}_5 \mathrm{H}_{12} \mathrm{O}\right)$ produces turbidity instantly with conc. $\mathrm{HCl} / \mathrm{ZnCl}_2$. Isomer $(Y)$ of $X$ undergoes dehydration with conc. $\mathrm{H}_2 \mathrm{SO}_4$ at $443 \mathrm{~...

Identify the incorrect match with respect to compounds to be distinguished and reagent used

In which of the following, intramolecular hydrogen bonding is present?

$$ \begin{aligned} &\text { What is ' } Z \text { ' in the given set of reactions? }\\ &\mathrm{C}_6 \mathrm{H}_5 \mathrm{OCH}_3 \xrightarrow{\mathrm{HI}} X+Y \end{aligned} $$
$$ Y \xrightarrow[\text { Anhy. } \mathrm{AlCl}_3]{\mathrm{C}_6 ...

The correct statement about the products $B$ and $C$ in the given reactions are
$$ \mathrm{CH}_3 \mathrm{CH}_2 \mathrm{OH} \xrightarrow[\text { Anhy. } \mathrm{ZnCl}_2]{\mathrm{HCl}} A \xrightarrow[\text { AgCN }]{\text { Ethanolic }} \unde...

The increasing order of boiling points of the following is
$$ \begin{array}{cccc} \mathrm{CH}_3-\mathrm{O}-\mathrm{CH}_3 & \mathrm{CH}_3 \mathrm{CHO} & \mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CH}_3 & \mathrm{CH}_3 \mathrm{CH}_2 \mathrm{OH} \\ \...

The major product in Reimer-Tiemann reaction is $X$. The reactants are $Y$ and $Z, X, Y$ and $Z$ are respectively

An alcohol $X\left(\mathrm{C}_3 \mathrm{H}_{12} \mathrm{O}\right)$ when reacted with conc. HCl and anhydrous $\mathrm{ZnCl}_2$ produces turbidity instantly. The alcohol $X$ can be prepared from which of the following reactions?

Assertion (A) : Chlorobenzene is not formed in the reaction of phenol with thionyl chloride.
Reason (R) : In phenol, carbon - oxygen bond has partial double bond character.
The correct answer is :

Arrange the following in the correct order of their boiling points.

Match the following

The correct answer is

What is the value of ' $n$ ' in ' $Z$ ' of the following sequence?Lauryl alcohol $\xrightarrow{\mathrm{H}_{2} \mathrm{SO}_{4}}$( $X$ )Lauryl hydrogen sulphate $\xrightarrow{\mathrm{NaOH}(a q)}$( $Y$ )$ \mathrm{CH}_{3}-\left(\mathrm{CH}_{2}\...

The major product ' $Y^{\prime}$ in the given sequence of reactions is
$$ \mathrm{C}_3 \mathrm{H}_7 \mathrm{OH} \xrightarrow[443 \mathrm{~K}]{\text { Conc. } \mathrm{H}_2 \mathrm{SO}_4} X \xrightarrow[\left(\mathrm{C}_6 \mathrm{H}_5 \mathrm...

The number of -OH groups present in the structures of bithionol, terpineol and chloroxylenol is respectively

Identify the products $R$ and $S$ in the reaction sequence given
$\left(\mathrm{CH}_3\right)_3 \mathrm{COH} \xrightarrow{\mathrm{Na}} P \xrightarrow{\mathrm{CH}_3 \mathrm{Br}} Q \xrightarrow[\Delta]{\mathrm{HI}} R+S$

The bromides formed by the cleavage of ethers $A$ and $B$ with HBr respectively are

The common name of benzene-1,3-diol is

Identify the major product $C$ in the given sequence of reactions

Identify the major product $Y$ in the given reaction sequence.

1-propanol can be distinguished from 2-propanol by which test?

\(\text { Which of the following reaction is feasible? }\)

Phenol is mainly manufactured from a compound $X$ by subjecting it to oxidation in air followed by treating with dilute acid. Identify the compound $X$.

What are the products $X$ and $Y$ respectively in the reactions I and II?

Which of the following compound has no reaction with sodium metal?

The major products of Reimer-Tiemann reaction and Kolbe's reaction are respectively

\(\text { The major product of the following reaction is }\)

Assertion (A) Tertiary alcohols produce turbidity immediately with Lucas reagent.
Reason ( $\mathbf{R}$ ) Lucas reagent is a $1: 1$ mixture of conc. $\mathrm{HNO}_3$ and anhydrous $\mathrm{ZnCl}_2$.
The correct option among the following is...

The correct order of rate of acid mediated dehydration reaction of the following compounds is

Sodium tertiary butoxide or reaction with methyl bromide produced the product $P$. Sodium methoxide upon reaction with tertiary butyl bromide generated the product $Q$. The products $P$ and $Q$ are

Arrange the following phenols in decreasing order of their $\mathrm{p} K_a$.
(A) Phenol
(B) ortho - nitrophenol
(C) meta - nitrophenol
(D) para - nitrophenol

\text { The major product of the following reactions is }

Decreasing order of reactivity of the following compounds in the Williamson's ether synthesis is

(II) $\mathrm{Cl}-\mathrm{CH}_2-\mathrm{CH}=\mathrm{CH}_2$
(III) $\mathrm{Cl}-\mathrm{CH}_2-\mathrm{CH}_2-\mathrm{CH}_3$

The major products $P$ and $Q$ formed in the following reactions schemes are

The major aromatic product of the following reaction sequence is

The order of reactivity of the following compounds towards the esterification with acetic acid is

Which of the following statements are correct for phenol?
(A) In general, phenol is more acidic than alcohol.
(B) Phenol is used in the production of melamine plastic.
(C) Phenol gives violet colour with neutral ferric chloride solution.
(D...

\(A, B, C, D \text { in the following reactions are }\)

\(\text { Match the following }\)
$$ \begin{array}{llll} \hline & \begin{array}{c} \text { List-I } \\ \text { (Reaction) } \end{array} & & \begin{array}{c} \text { List-II } \\ \text { (Product) } \end{array} \\ \hline \text { A. } & \te...

Reactions that produce $n$-butanol in the following are :
I. $\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CH}=\mathrm{CH}_2 \xrightarrow[\text { (ii) } \mathrm{NaOH} / \mathrm{H}_2 \mathrm{O}_2]{\text { (i) } \mathrm{B}_2 \mathrm{H}_6}$
II. $\mathr...

\(\text { The major product formed in the following reactions is }\)

\(\text { Which of the following gives alcohol/phenol products? }\)

\(\text { The major products } P \text { and } Q \text { in the following reactions are }\)

\(\text { The major product formed in the following is }\)

\(\text { The major product formed in the following reactions is :}\)

The major products $P$ and $Q$ formed in the following reactions are respectively.