CBSE 2025 · Region 5 · Set 1 · Q26 · 3 marks
(a)Arrange the following compounds in the increasing order of their acidic strength : $\displaystyle 3,5$-dinitrophenol, $\displaystyle 4$-methylphenol, phenol, $\displaystyle 2,4,6$-trinitrophenol(b)What happens when : (write equations)(i)Phenol is distilled with Zn dust?(ii)Anisole is treated with HBr ?
(a)
Arrange the following compounds in the increasing order of their acidic strength : $\displaystyle 3,5$-dinitrophenol, $\displaystyle 4$-methylphenol, phenol, $\displaystyle 2,4,6$-trinitrophenol
(b)
What happens when : (write equations)
(i)
Phenol is distilled with Zn dust?
(ii)
Anisole is treated with HBr ?
Marking-scheme solution
(a)
$\displaystyle 4$-methylphenol < Phenol < $\displaystyle 3,5$-dinitrophenol < $\displaystyle 2,4,6$-trinitrophenol
(i)
(ii)
Alcohols, Phenols and EthersAlcohols and PhenolsApplyshort_answermedium
More from Alcohols, Phenols and Ethers
- In the reaction R-OH+HCl ZnCl 2 RCl+H 2 O, what is the correct order of reactivity of alcohols?2025 · asked 4×
- Write chemical equations for the following reactions: (Do any three) Hydroboration - oxidation reaction…2024 · asked 3×
- What will be formed after oxidation reaction of secondary alcohol with chromic anhydride (CrO 3)?2025 · asked 3×
- Which of the following alcohols will not undergo oxidation?2023 · asked 3×
- Match the reagents required for the given reactions: I. Oxidation of primary alcohols to (p) NaBH 4 aldehydes…2024 · asked 3×
- Assertion: p-nitrophenol is more acidic than phenol. Reason (R): Nitro group is an electron-withdrawing…2026 · asked 3×
- Write the reaction involved in the following: Reimer-Tiemann reaction Kolbe's reaction Friedal-Crafts…2026 · asked 3×
- Write the equations of the reactions involved in the following: (i) Reimer-Tiemann reaction (ii) Kolbe's…2024 · asked 3×
CBSE Class 12 Chemistry past-paper question from the 2025board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.