Q50.A solution of phenol in chloroform when treated with aqueous NaOH gives compound Pas a major product. The mass percentage of carbon in P is ______ .
What This Question Tests
This question assesses the knowledge of named organic reactions (Reimer-Tiemann reaction) and the ability to calculate the mass percentage of an element in the resulting organic product.
Concepts Tested
Formulas Used
Mass % of element = (Mass of element in compound / Molar mass of compound) * 100
📚 NCERT Sections This Tests
7.17 — Give Equations Of The Following Reactions:
Chemistry Class 12 · Chapter 7
7.17 Give equations of the following reactions: (i) Oxidation of propan-1-ol with alkaline KMnO4 solution. (ii) Bromine in CS2 with phenol. (iii) Dilute HNO3 with phenol. (iv) Treating phenol wih chloroform in presence of aqueous NaOH.
8.17 — Complete Each Synthesis By Giving Missing Starting Material, Reagent Or Products
Chemistry Class 12 · Chapter 8
8.17 Complete each synthesis by giving missing starting material, reagent or products
8.19 — An Organic Compound Contains 69.77% Carbon, 11.63% Hydrogen And Rest Oxygen.
Chemistry Class 12 · Chapter 8
8.19 An organic compound contains 69.77% carbon, 11.63% hydrogen and rest oxygen. The molecular mass of the compound is 86. It does not reduce Tollens’ reagent but forms an addition compound with sodium hydrogensulphite and give positive iodoform test. On vigorous oxidation it gives ethanoic and propanoic acid. Write the possible structure of the compound.
📋 Question Details
- Chapter
- Alcohols Phenols Ethers
- Topic
- Reimer-Tiemann reaction
- Year
- 2020
- Shift
- 06 Sep Shift 2
- Q Number
- Q50
- Type
- Numerical
- NCERT Ref
- Class 12 Chemistry Ch 11: Alcohols Phenols Ethers
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