Chemistry
Question from maharashtra board chemistry book of 12th maharashtra board
Chapters
- 1 Solid State
- 2 Solutions
- 3 Ionic Equilibria
- 4 Chemical Thermodynamics
- 5 Electrochemistry
- 6 Chemical Kinetics
- 7 Elements of Groups 16, 17 and 18
- 8 Transition and Inner Transition Elements
- 9 Coordination Compounds
- 10 Halogen Derivatives
- 11 Alcohols, Phenols and Ethers
- 12 Aldehydes, Ketones and Carboxylic Acids
- 13 Amines
- 14 Biomolecules
- 15 Introduction to Polymer Chemistry
- 16 Green Chemistry and Nanochemistry
Top questions
See all →- Phenol reacts with bromine water to give Answer: B. 2,4,6-tribromophenol In polar water, phenol is strongly activated and is brominated at all o- and p-positions, giving a white pre... 1
- Which alcohol gives turbidity immediately with Lucas reagent at room temperature? Answer: A. 2-methylpropan-2-ol Tertiary alcohols react immediately with conc. HCl/ZnCl₂ through a stable carbocation; 2-methylpropan-2-ol is... 1
- Anisole on heating with HI gives Answer: A. phenol and methyl iodide The O–C(aryl) bond has partial double-bond character and is not cleaved. I⁻ attacks the methyl group (S_... 1
- Which of the following undergoes the Cannizzaro reaction? Answer: D. Benzaldehyde The Cannizzaro reaction needs an aldehyde with no α-hydrogen; benzaldehyde has none. 1
- The strongest acid among the following is Answer: C. Cl3CCOOH Three −I chlorine atoms stabilise the carboxylate ion the most. 1
- Acetophenone on Clemmensen reduction (Zn–Hg / conc. HCl) gives Answer: D. ethylbenzene Clemmensen reduction converts >C=O to >CH₂: C₆H₅COCH₃ → C₆H₅CH₂CH₃. 1