Chemistry Fsc Part 1 Chapter 6 Online Test With Answers

Chemistry Fsc Part 1 Chapter 6 Online Test

Sr. # Questions Answers Choice
1 If the pH of solution is 11, what is the [OH-]concentratio in the solution. 1 x 10<sup>-3</sup> M 1 x 10<sup>-11</sup> M 1 x 10<sup>-2</sup> M 1 x 10<sup>-14 M</sup>
2 AG = 0 indicates Equilibrium Spontaneity Non Spontaneity Irreversibility
3 Which is not a path function Work Heat Entropy Temperature
4 An increase in entropy favors  Non spontaneity Disorder Order Equilibrium
5 A process with increase in entropy and enthalpy is spontaneous at. High temperature Low temperature All temperature never spontaneous
6 Delta H is negative and Delta S is position then reaction is. Equilibrium Always spontaneous Temperature depends Non  sppontaneous
7 Which of the following causes entropy to increases Condensation  Freezing Evaporation Crystallization
8 What type of reation has a negative Delta H and Delta S? Always spntaneous Never spontaneous Spontaneous at low temp Spontaneous at high temp
9 Which stepin the Born-Haber cycle is always endothermic Sublimation  Electron gain enthalpy Hydration Lattice formation
10 Born Haber cycle is used to calculate Bond energy  Heat of hydration Lattice energy Ionization energy
11 Which factor affects lattice energy  Ion size Ion charge Crystal structure None of these
12 A negative lattice eneryg temperature Bond breaking Energy relresed Formation of covalent bond Spontaneity
13 The term "lattice energy" is applicable to Ionic compunds Covalent compunds Gases Metals
14 Ion an exothermic reaction , the nergy of products is Greater than reactants Less than reactants Equal to reactants Zero
15 Enthalpy change in hydration depends on. Charge Ion size Solvent nature All of these
16 Delta H = q at constant Pressure Energy Volume Temperature
17 Heat of combustion of H2 is used to determine Calorific value Enthalpy Ionization energy Lattice energy
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