Organic Chemistry - Some Basic Principles and Techniques questions
1502 published questions with worked solutions.
- Which one of the following methods can be used to obtain highly pure metal which is liquid at room temperature?
- Dihedral angle of least stable conformer of ethane is :
- Match List-I with List-II List-I: (a) CO, HCl, anhyd. AlCl_3/CuCl (on benzene) (b) R - CO - CH _3+ NaOX (c) R - CH _2- OH +...
- The correct stability order of the following resonance structures of CH₃–CH=CH–CHO is I: CH₃–C̄H–CH=CH–O⁺ (carbanion on the...
- In the given TLC, the distance of spot A & B are 5 cm & 7 cm, from the bottom of TLC plate, respectively. R_f value of B is x ×...
- Methods used for purification of organic compounds are based on :
- Relative stability of the contributing structures is : (I) CH₂=CH–C(=O)–H (neutral structure) (II) ⁺CH₂–CH=C(H)–O⁻ (III)...
- The molecular formula of second homologue in the homologous series of mono carboxylic acids is ____.
- The incorrect statement regarding conformations of ethane is:
- The technique used for purification of steam volatile water immiscible substances is:
- Given below are two statements : Statement (I) : p-nitrophenol is more acidic than m-nitrophenol and o-nitrophenol. Statement...
- 3-Methylhex-2-ene on reaction with HBr in presence of peroxide forms an addition product (A). The number of possible...
- Chromatographic technique/s based on the principle of differential adsorption is/are A. Column chromatography B. Thin layer...
- The ascending acidity order of the following H atoms (shown circled in the source) is A: HC≡C–Ⓗ B: H₂C=CH–Ⓗ C: (CH₃)₃C–Ⓗ D:...
- Match List-I with List-II. List-I (Compound): A. Ethanol, B. Phenol, C. m-Nitrophenol, D. p-Nitrophenol List-II (pKa value): I....
- Appearance of blood red colour, on treatment of the sodium fusion extract of an organic compound with FeSO₄ in presence of...
- The interaction between π bond and lone pair of electrons present on an adjacent atom is responsible for
- The correct stability order of carbocations is
- IUPAC name of following compound is: CH₃–CH(NH₂)–CH₂–CN
- Which among the following purification methods is based on the principle of "Solubility" in two different solvents?
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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