Alcohol, Phenols and Ethers

\(\text { Identify X, Y and Z. }\)

\(\text { Match reactions in Column I with the corresponding products formed as given in Column II. }\)
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An aliphatic compound $[\mathrm{X}]$, Molecular formula $\left(\mathrm{C}_4 \mathrm{H}_{10} \mathrm{O}\right)$ can be prepared from Acetone and $\mathrm{R}-\mathrm{Mg}-\mathrm{X}$.
$[\mathrm{X}]$ with $20 \%$ Phosphoric acid gives an unsatu...

Which one of the following statements is wrong?

\(\text { A compound }[X] \text { undergoes reactions as given. Identify compounds }[C] \text { and }[D] \text { formed in these reactions. }\)

\([\mathrm{A}] \xrightarrow{\mathrm{Cr}_2 \mathrm{O}_7^{2-} / \mathrm{H}^{+}}[\mathrm{C}]\)...

\(\text { Identify the correct structure of o-ethyl anisole. }\)

Choose the incorrect statement.

Two statements $[A]$ and $[B]$ are given below. Choose the correct option.
A) Protonated $\mathrm{R}-\mathrm{C} \mathrm{H}_2-\mathrm{OH}$ can serve as Electrophiles while neutral $\mathrm{R}-\mathrm{OH}$ acts as a Nucleophile.
B) The bond b...

What is the final product $[\mathrm{Z}]$ formed when the given reactions take place?

Cyclohexanol undergoes a series of reactions as given. Identify compound (iv).
$\mathrm{C}_6 \mathrm{H}_{11} \mathrm{OH}+\mathrm{CrO}_3 \rightarrow(\mathrm{i})+\mathrm{C}_6 \mathrm{H}_5 \mathrm{MgI} \rightarrow(\mathrm{ii})+$ dil. $\mathrm{...

Convert Benzene $\rightarrow 3$-Bromophenol by choosing appropriate reagents [(i) to (v)] in the correct sequence.
(i) $\mathrm{NaNO}_2 / \mathrm{HCl}\left(0^{\circ} \mathrm{C}\right)$
(ii) Conc. $\mathrm{HNO}_3 / \mathrm{H}_2 \mathrm{SO}_4...

Benzene diazonium chloride when warmed with water gives a compound, whose Sodium salt when reacted with Allyl bromide gives compound $[\mathrm{X}]$. Identify $[\mathrm{X}]$.

What are the intermediates formed during the reactions $A$ and $B$ ?
A. Reimer-Tiemann reaction.
B. Dehydration of alcohols in the slow rate determining step.

Identify $[\mathrm{X}]$ used in the given reaction.
$[\mathrm{X}]+$ Copper $/ 573 \mathrm{~K} \rightarrow[\mathrm{Y}]$
$[\mathrm{Y}] \xrightarrow[\text { (ii) } \mathrm{H}_2 \mathrm{O} / \mathrm{H}^{+}]{\text {(i) } \mathrm{CH}_3 \mathrm{Mg...

Choose the incorrect statement.

Match the reaction in Column I with the major product formed given in Column II.

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Complete the following 2 reactions A & B by choosing appropriate reactants $[\mathrm{X}] &[\mathrm{Y}]$.

Which one of the following is the major product formed when the given reaction occurs?

Which one of the following compounds will give a yellow precipitate when reacted with $\mathrm{I}_2 / \mathrm{NaOH}$?

Two statements, One Assertion and the other Reason, are given.
Which one of the following is the correct option?
Assertion: The acid strength of 4 compounds in the descending order is p- Nitrophenol > p-Methoxyphenol > Phenol > p-chlorophen...

An organic compound \([\mathrm{A}]\left(\mathrm{C}_5 \mathrm{H}_{12} \mathrm{O}\right)\), on reaction with conc. \(\mathrm{H}_2 \mathrm{SO}_4\) at \(443 \mathrm{~K}\) gives \([\mathrm{B}]\) as one of the products. Compound [B] undergoes fur...

Match the compounds given in column I with the corresponding most stable Carbocations formed by each, as given in Column II, when they undergo acidic dehydration in presence of Conc. \(\mathrm{H}_2 \mathrm{SO}_4\).

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Compounds \(\mathrm{A}\) and \(\mathrm{B}\), having the same molecular formula \((\mathrm{C}_4 \mathrm{H}_8 \mathrm{O})\), react separately with \(\mathrm{CH}_3 \mathrm{MgBr}\), followed by reaction with dil. \(\mathrm{HCl}\) to form compou...

4 statements are given below. Identify the incorrect statement
A. Phenol has lower \(\mathrm{pK}_{\mathrm{a}}\) value than \(\mathrm{p}\)-cresol
B. 2-Chlorophenol is more acidic than phenol
C. Ortho and para nitrophenols can be separated by...

Two statements, Assertion and Reason are given below. Choose the correct option.
Assertion: n-propyl tert-butyl ether can be readily prepared in the laboratory by Williamson's synthesis.
Reason: The reaction occurs by $$\mathrm{S}_{\mathrm{...

The major product '\(\mathrm{X}\)' of the following reaction is

Which of the following tests may be used to distinguish between phenol and cyclohexanol?

Which of the following compound cannot be prepared by Williamson's synthesis?

Arrange the following compounds in the decreasing order of their acidic strength.
(I) m-cresol
(II) Phenol
(III) m-aminophenol
(IV) m-methoxyphenol

Choose the incorrect statement.

Choose the correct order of increasing acidic strength of the following compounds.

Identify the starting compound from the following data:
\(\mathrm{C}_6 \mathrm{H}_{14} \mathrm{O}(\mathrm{X})\) on reaction with \(\mathrm{HI}\) yields a haloalkane (A) and an alcohol (B). Compound (A) on reaction with aqueous $$\mathrm{NaO...

The major product in the given reaction is

Which of the following is a false statement?

The chemical formula of Lucas reagent is

Denatured alcohol is