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Practice set-1 (in Hindi)
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Practice set 1. Complete discussion.

Vishwa Vivek Sharma
verified & star educator|| IIT-JEE NEET|| 5+ year experience|| hindi & English medium ||Chemistry || youtube- "Sharmaji education"

U
Unacademy user
what is vito power?
Prince Gupta
5 months ago
An official power to reject any proposal
Prince Gupta
5 months ago
It's veto power
please continue this series
bhiyaaa is to be continue???
thank u .. pls continue the course
  1. NEET IIT-JEE Practice Test Series Chemistr Er. Vishwa Vivek Sharma


  2. 1. In which of the following reactions, the equilibrium remains unaffected on addition of small amount of argon at constant volume? (a) H2(g) +12(g) 2H1(g) (b) PC15(g) PC13(g) + Cl2(g) (c) N2(g) + 3H2(g) 2NH3(g) (d) All of these Er.Vishwa Vivek Sharma


  3. a moles of PCl5 are heated in a closed container to equilibrate PCI5(g) PC13(g) +Cl2(g) at a pressure of Patm. If x moles of PCl, dissociate at equilibrium, then 2. 1/2 1/2 1/2 o) Er.Vishwa Vivek Sharma


  4. 3. At 350 K, K, for the reaction given below is 3.0 1010 bar-1 at equilibrium. What will be the value of K, at this temperature? 2N2(g) + O2(g) 2N20(g) (a) 7.4 1011 L mol-1 (b) 8.715 1010 L mol-1 (c) 0.08 L mol (d) 8.715 x 1011L mol1 Er.Vishwa Vivek Sharma


  5. 4. What is the correct sequence, to complete the paragraph? According to Le-Chatelier's principle, if pressure is increased, (1) if pressure is decreased, the system will try to increase the pressure (2) the system will try to reduce the pressure (3) byfavouring that reaction which is accompanied by a decrease in the number of moles (4) byfavouring that reaction which is accompanied by an increase in the number of moles. (a) 23 14 (c) 1432 (b) 1234 (d) 13 24 Er.Vishwa Vivek Sharma


  6. Dissociation constant values of few acids are given below. Arrange them in order of increasing acidic strength. (K, values: H,S0, 1.3 x 102, HNO,-4x 10-, CH3COOH = 1.8 x 10-5, HCN = 4 x 10-10) (a) HCN < CH,COOH<HN02H,S0 (b) CH,COOH < HNO2 <HCN <H,S0 (c) CH3COOH <HCN H2SO3 HNO2 (d) HNO- H-so, CH3COOH-HCN 5. Er.Vishwa Vivek Sharma


  7. Solid Ba(NO3)2 is graduallydissolved in 1.0 10-4 M Na CO solution. At what concentration of Ba the precipitate will begin to form? (Kp for Baco,-51 10" ) (a) 4.1 x 105 M (b)5.1 x 105 M (c) 8.1 x 10 M 6. (d) 8.1 10-M Er.Vishwa Vivek Sharma


  8. Which of the following reflects that the reaction is independent of temperature? 7. Reaction progress Reaction progress Reaction progress Reaction progress Er.Vishwa Vivek Sharma


  9. 8. For the equilibrium, CH CH3-CH2-CH2_ CH3(g) CH3 equilibrium constant is found to be 1.732 at 298 K Now if in a vessel at 298 K, a mixture of these two gases is taken and the point p is 2 represented in the given figure, predict what will happen? (a) Immediately equilb conc. of n-butane 8// 75 (b) The given reaction will go in the forward (c) The given reaction will go in the backward (d) Cannot be predicted. will set-up, directiontl it attains equilibrium. direction till it attains equilibrium. Er.Vishwa Vivek Sharma


  10. Calculate the degree of dissociation of PCl5, when the density at 230 C is 70 (a) 97.8% (c) 4.89% 9. (b) 48.9% (d) 24.45% Er.Vishwa Vivek Sharma