Thermodynamics questions
1906 published questions with worked solutions.
- The calorific value of carbon is about ...... kcal.
- Tin, a silvery white metal, exists in:
- Which fuel has the highest calorific value?
- Which fuel has the highest calorific value (kJ/kg)?
- The correct order of C-X bond energy for carbon tetrahalides is:
- The ability of a substance to assume two or more crystalline structures is called:
- The maximum bond energy is present in
- The sigma bond energy of the C–H bond in C₂H₆ is
- The bond energy of the C≡C triple bond in acetylene is close to, in kcal mol⁻¹,
- Racemisation of an optically active compound is driven mainly by
- Lattice energy of NaCl is -186 kcal/mol, and the hydration enthalpies of the cation and anion respectively are -97 and -85...
- How many moles of butane are needed to release 8627.52 kJ of energy? ( H^0 for butane combustion = -2875.84 kJ mol^ -1 )
- The energy released on combustion of 7 g of ethane is ________ kJ. (Combustion enthalpy of ethane, H^0 = -1411 kJ mol^ -1 )
- Dissolution of a solute is an exothermic process if
- The energy that favours dissolution of a solute in water is known as
- The cell reaction is spontaneous, when
- A and B are two allotropes of an element. One gram of A will differ from one gram of B in:
- If an allotropic form changes slowly (and irreversibly) to a stable form, it is called [MHT-CET 2006]
- The correct order of heat of formation of the halogen acids is [UP SEE 2008]
- While preparing dilute sulphuric acid, concentrated H_2SO_4 must always be added slowly to water (and never the reverse) because
Other chapters
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