True / False Questions The energy of a hydrogen bond is greater than that of a t

Question

True / False Questions The energy of a hydrogen bond is greater than that of a typical covalent bond. True / False Gases with high boiling points tend to be more soluble in water than ones w ith low boiling points. True / False The greater the energy of activation, a a the faster will be the reaction. True / False For a gas-phase equilibrium, a change in the pressure of any single reactant or product will change K_p.. True / False All Bronstcd-Lowry bases contain the hydroxide ion. OH^-. True / False The equivalence point in a titration is defined as the point when the indicator changes color. True / False For a reaction at equilibrium, DeltaS_univ = 0. True /False For the reaction occurring in a voltaic (galvanic) cell, DeltaG > 0. T rue / False. Of the 3d transition series of elements , scandium has the greatest atomic radius. True / False The inner transition series of elements arise from the filling of f orbitals. True / False

Explanation / Answer

1) The energy of the H-bond is greater than the energy of the covalent bond in thermodynamic terms. Hence, H-bond is stronger than covalent bond. The option is true.

2) The solubility of gases decrease with increase in temperature. Solubilty of gases with higher boiling point is less than those with low boiling points. The option is false.

3) Lower the activation energy of the reaction, faster is the reaction . The option is false.

4) Change in pressure of the reactants or products will not change the equilibrium constants. It only shifts the equilibrium position. The option is false.

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