FSC Part 1 Chemistry Chapter 8 Chemical Equilibrium Online Test | ilmkidunya

Chemistry Fsc Part 1 Chapter 8 Online Test

Sr. #	Questions	Answers Choice
1	The pH of human blood is	7.0 7.4 4.0 6.5
2	K_aand K_bof a conjugate acid and are related with k_was	K<sub>a </sub>+ K<sub>b</sub>=K<sub>w</sub> K<sub>a</sub>-K<sub>b</sub>=K<sub>w</sub> K<sub>a </sub>.<sub></sub>K<sub>b</sub>= K<sub>w</sub> K<sub>a</sub>/ K<sub>b</sub>= K<sub>w</sub>
3	The effect of temperature on equilibrium was studied by	Lewis Van der wall Arrhenius Vant hoff
4	Le-Chatelier Braun principle is sometimes known as	Law of mass action Law of mobile equilibrium Law of active mass All of these above
5	The relationship between K_pand K_cis given by
6	If the volumes of reactants and products are same in a gaseous phase reaction, then the equilibrium state is not affected by	Change of temperature Change of pressure Change of concentration Catalyst
7	The unit of equilibrium constant K_cfor the reaction	dm<sup>+6</sup>mole<sup>-2</sup> mole<sup>2</sup>dm<sup>-6</sup> Mole dm<sup>-3</sup> Having no units
8	At equilibrium stage of chemical reaction	The concentration of reaction is equal to concentration of products The rate constant of forward reaction is equal to rate constant of backward reaction The rate of forward reaction is equal rate of backward reaction The energy of activation of forward step is equal to energy of activation of backward step
9	An excess of aqueous silver nitrate is added to aqueous barium chloride and precipitate is removed by filtration. What are the main ions in the filtrate
10	The solubility product of AgCI is 2.0 x 10^-10mol²dm^-6The maximum concentration of Ag⁺ions in the solution is	2.0 x 10<sup>-10</sup>mol dm<sup>-3</sup> 1.41 x 10<sup>-5</sup>mol dm<sup>-3</sup> 1.0 x 10<sup>-10</sup>mol dm<sup>-3</sup> 4.0 x 10<sup>-20</sup>mol dm<sup>-3</sup>
11	The pH of 10^-3mol dm^-3of an aqueous solution of H₂SO₄is	3.0 2.7 2.0 1.5
12	Which statement about the following equilibrium is correct	The value of K<sub>p</sub>falls with a rise in temperature The value of K<sub>p</sub>falls with increasing pressure Adding V<sub>2</sub>O<sub>5</sub>catalyst increase the equilibrium yield of sulphur trioxide The value of K<sub>p</sub>is equal to K<sub>c</sub>
13	For which system does the equilibrium constant K_chas units of (concentration)^-1

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