Question 23 to 34.
Q23) The commonest forros of equilibrium constants are
and... ....(A) k_{P} and Kc (B) Ka and Kc (C) K_{D}
and Ka (D) Ka and Kb Q24) The equilibrium partial pressures of H_{2}, S_{2} and H_{2}S gases are 0.2atrn, 0.2atrn and 1.6atm, respectively. If the reaction occurs at 27\circ C. what is the value of Kc? (A) 1.6(B)7882.6(C) 78.826 (1) 7886.1
Q25) Chemical kinetics can provide details on all the following except one
(A) Mechanisms (B) Rates (C) Spontaneity (D) Rate factors
Q26) Which of the following best described the compressibility factor (2) of an ideal gas?
(A) Z<1(B)Z>1 Z=1(D)Z.=1.5
Q27) Chemical thermodynamics was first coined by James Joule in the yeat......(A) 1824 (B) 1858 () 1859 (D) 1876 Q28) The paper "reflections in the motive power of fire" was presented by Sadi Carnot in which of the following years?
A) 1824 (B) 1858 ( 1859
(D) 1876
Q29) Sir Willar Josiah Gibb presented and published a paper titled "equilibrium of heterogeneous gaseous processes"
in the year.............. (A) 1824 (13) 1858 (C) 1859 (D) 1876 Q30) One of the following is not a law of thermodynamics. (A) Zeroth (B) First (C) Third (D) Fifth
Q31) The unit of a first order rate constant can be.......... (A) h¹ (B)trin^{-1}(C)s^{-1}(D) All of the above Q32) The rate of formation of NIH, during the Haber process is +0.02 molls. What is the rate of consumption of
nitrogen (N_{2}+3H_{2}=2NH_{3}). (A) -0.01 molls (B) -0.02 molLs-¹ (C) +0.01 molls Q33) Calculate the half-life for the decomposition of C_{2}H_{5}Cl at 550^{\circ}C if the rate constant was found to be 0.032s^{-1}
(D) +0.02 moll-1s-1
(A) 23.665
(B) 24.655
(C) 21.66s
(D) 26.615
Q34) Calculate the value of Z for a real gas with P_{mal} and P_{ided} as 35atm and 70am, respectively.
Z=0.5(B)Z=2.0(C)Z=2.5(D) Z=100atm
Q23) The commonest forms of equilibrium constants are (A) Kp and Kc.
Q24) The equilibrium partial pressures of H2, S2, and H2S gases are 0.2 atm, 0.2 atm, and 1.6 atm, respectively. If the reaction occurs at 27°C, what is the value of Kc? The answer is (A) 1.6.
Q25) Chemical kinetics can provide details on all the following except one. The answer is (C) Spontaneity.
Q26) Which of the following best describes the compressibility factor (Z) of an ideal gas? The answer is (C) Z = 1.
Q27) Chemical thermodynamics was first coined by James Joule in the year... The answer is (B) 1858.
Q28) The paper "Reflections on the Motive Power of Fire" was presented by Sadi Carnot in which of the following years? The answer is (B) 1858.
Q29) Sir William Josiah Gibbs presented and published a paper titled "Equilibrium of Heterogeneous Gaseous Processes" in the year... The answer is (D) 1876.
Q30) One of the following is not a law of thermodynamics. The answer is (D) Fifth.
Q31) The unit of a first-order rate constant can be... The answer is (C) s^-1.
Q32) The rate of formation of NH3 during the Haber process is +0.02 mol/s. What is the rate of consumption of nitrogen (N2 + 3H2 = 2NH3)? The answer is (B) -0.02 mol/s.
Q33) Calculate the half-life for the decomposition of C2H5Cl at 550°C if the rate constant was found to be 0.032 s^-1. The answer is (A) 23.665 s.
Q34) Calculate the value of Z for a real gas with P_real and P_ideal as 35 atm and 70 atm, respectively. The answer is (C) Z = 2.5.