Organic Chemistry - Some Basic Principles and Techniques questions
1502 published questions with worked solutions.
- Number of chain isomers that can be drawn for an ether of formula H₃C–O–C₄H₉ are ________.
- How many structural isomers are possible for benzene when two of its H atoms are replaced by Br atoms?
- In how many of the following six structures is resonance genuinely possible: (1) an allylic-type carbocation, (2) an oxocarbenium...
- How many of pentane's chain (constitutional) isomers — *n*-pentane, isopentane (2-methylbutane) and neopentane...
- Out of all the possible structural isomers of C₅H₁₁Br, how many exhibit optical isomerism?
- Number of lone pair(s) present on the carbon of the methyl carbocation, CH₃⁺, is/are ________.
- How many of the following species can act as a Lewis acid: BCl₃, CH₃OCH₃, NH₃, CH₃OH, H₂O, ROH, (CH₃)₃C⁺?
- How many atoms or groups among the following exhibit a +I (electron-donating inductive) effect: Zn, –COO⁻, R (alkyl), –S⁻, –I,...
- How many hyperconjugative (no-bond resonance) structures can be drawn for the isopropyl cation, (CH₃)₂CH⁺?
- What is the total number of α-hydrogen atoms present in the *tert*-butyl cation and the methyl cation combined?
- How many optically active stereoisomers are possible for butane-2,3-diol, CH₃–CH(OH)–CH(OH)–CH₃?
- How many of the following compounds exhibit stereoisomerism (geometric or optical): (i) 2-hydroxypropanoic acid, (ii)...
- How many of the following will exhibit geometrical isomerism: but-2-yne, but-2-ene, propene, 2-methylbut-2-ene, 1-phenylpropene,...
- How many of the following compounds, when contaminated with non-volatile impurities, can be purified by sublimation: benzoic...
- The most stable alkene is [BCECE 2004]
- Which is most acidic of the following? [J & K CET 2005]
- Cycloalkanes are isomeric with [Guj CET 2010]
- Which cycloalkane has the lowest heat of combustion per CH_2 group? [Jamia Millia Islamia 2008]
- The angle strain in cyclobutane is
- Statement 1: 2,3-Dimethylbut-2-ene is more stable than but-2-ene. Statement 2: Twelve hyperconjugative (no-bond resonance)...
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Alcohols, Phenols and EthersAldehydes, Ketones and Carboxylic AcidsAlternating CurrentAminesAnatomy of Flowering PlantsAncient Indian HistoryAnimal KingdomApplication of DerivativesArea Under CurveAromatic Compounds and Aryl HalidesAtomsBasic Mathematics and LogarithmBinomial TheoremBiodiversity and ConservationBiological ClassificationBiomoleculesBiotechnology and Its ApplicationsBiotechnology: Principles and ProcessesBody Fluids and CirculationBreathing and Exchange of GasesCell Cycle and Cell DivisionCell: The Unit of LifeChemical Bonding and Molecular StructureChemical Coordination and Integration