Chemistry Syllabus (JEE Main)

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Q. What is the relationship between enthalpy (H), internal energy (U), and pressure-volume work (PV)?
  • A. H = U + PV
  • B. H = U - PV
  • C. H = U * PV
  • D. H = U / PV
Q. What is the relationship between enthalpy and internal energy?
  • A. H = U + PV
  • B. H = U - PV
  • C. H = U * PV
  • D. H = U / PV
Q. What is the relationship between enthalpy change and internal energy change at constant pressure?
  • A. ΔH = ΔU + PΔV
  • B. ΔH = ΔU - PΔV
  • C. ΔH = ΔU
  • D. ΔH = PΔV
Q. What is the relationship between entropy and spontaneity of a process?
  • A. Higher entropy means the process is non-spontaneous.
  • B. Lower entropy means the process is spontaneous.
  • C. Higher entropy generally indicates a spontaneous process.
  • D. Entropy has no relation to spontaneity.
Q. What is the relationship between entropy and temperature?
  • A. Entropy increases with decreasing temperature
  • B. Entropy decreases with increasing temperature
  • C. Entropy increases with increasing temperature
  • D. Entropy is independent of temperature
Q. What is the relationship between Gibbs Free Energy and spontaneity?
  • A. ΔG < 0 indicates non-spontaneous reactions.
  • B. ΔG = 0 indicates spontaneous reactions.
  • C. ΔG > 0 indicates spontaneous reactions.
  • D. ΔG < 0 indicates spontaneous reactions.
Q. What is the relationship between Gibbs Free Energy and the equilibrium constant (K)?
  • A. ΔG = -RT ln(K)
  • B. ΔG = RT ln(K)
  • C. ΔG = KRT
  • D. ΔG = K - RT
Q. What is the relationship between heat capacity at constant pressure (C_p) and at constant volume (C_v)?
  • A. C_p = C_v
  • B. C_p > C_v
  • C. C_p < C_v
  • D. C_p = 0
Q. What is the relationship between heat capacity at constant pressure (C_p) and heat capacity at constant volume (C_v)?
  • A. C_p = C_v
  • B. C_p > C_v
  • C. C_p < C_v
  • D. C_p = 2C_v
Q. What is the relationship between Ka and Kb for a conjugate acid-base pair?
  • A. Ka + Kb = Kw
  • B. Ka * Kb = Kw
  • C. Ka - Kb = Kw
  • D. Ka / Kb = Kw
Q. What is the relationship between Kp and Kc for the reaction aA(g) + bB(g) ⇌ cC(g) + dD(g)?
  • A. Kp = Kc(RT)^(d+c-b-a)
  • B. Kp = Kc(RT)^(a+b-c-d)
  • C. Kp = Kc/(RT)^(d+c-b-a)
  • D. Kp = Kc/(RT)^(a+b-c-d)
Q. What is the relationship between pKa and Ka for a weak acid?
  • A. pKa = -log(Ka)
  • B. pKa = log(Ka)
  • C. pKa = Ka
  • D. pKa = 1/Ka
Q. What is the relationship between pKa and Ka for an acid?
  • A. pKa = -log(Ka)
  • B. pKa = log(Ka)
  • C. pKa = Ka
  • D. pKa = 1/Ka
Q. What is the relationship between pKa and Ka?
  • A. pKa = -log(Ka)
  • B. pKa = log(Ka)
  • C. pKa = Ka
  • D. pKa = 1/Ka
Q. What is the relationship between pressure and temperature for a fixed amount of gas at constant volume?
  • A. Directly proportional
  • B. Inversely proportional
  • C. No relationship
  • D. Exponential
Q. What is the relationship between pressure and temperature in Gay-Lussac's Law?
  • A. Directly proportional
  • B. Inversely proportional
  • C. No relationship
  • D. Exponential relationship
Q. What is the relationship between temperature and kinetic energy of gas molecules?
  • A. Directly proportional
  • B. Inversely proportional
  • C. No relationship
  • D. Exponential relationship
Q. What is the relationship between temperature and the kinetic energy of gas molecules?
  • A. Directly proportional
  • B. Inversely proportional
  • C. No relationship
  • D. Exponential
Q. What is the relationship between temperature and the rate of a chemical reaction?
  • A. Rate decreases with temperature
  • B. Rate increases with temperature
  • C. Rate is independent of temperature
  • D. Rate is constant at all temperatures
Q. What is the relationship between the density of a gas and its molar mass at constant temperature and pressure?
  • A. Density is directly proportional to molar mass
  • B. Density is inversely proportional to molar mass
  • C. Density is independent of molar mass
  • D. Density is equal to molar mass
Q. What is the relationship between the equilibrium constant (K) and the Gibbs free energy change (ΔG) for a reaction?
  • A. ΔG = -RT ln(K)
  • B. ΔG = RT ln(K)
  • C. ΔG = KRT
  • D. ΔG = K/R
Q. What is the relationship between the equilibrium constant (K) and the reaction quotient (Q)?
  • A. K = Q at equilibrium
  • B. K > Q at equilibrium
  • C. K < Q at equilibrium
  • D. K is independent of Q
Q. What is the relationship between the equilibrium constants Kp and Kc for a gaseous reaction?
  • A. Kp = Kc
  • B. Kp = Kc(RT)^(Δn)
  • C. Kp = Kc/RT
  • D. Kp = Kc(RT)^(Δn) where Δn is the change in moles of gas
Q. What is the relationship between the Gibbs free energy change (ΔG) and the equilibrium constant (K) at standard conditions?
  • A. ΔG = RT ln K
  • B. ΔG = -RT ln K
  • C. ΔG = KRT
  • D. ΔG = K/R
Q. What is the relationship between the Gibbs free energy change (ΔG) and the equilibrium constant (K)?
  • A. ΔG = -RT ln(K)
  • B. ΔG = RT ln(K)
  • C. ΔG = K - RT
  • D. ΔG = 0 at equilibrium
Q. What is the relationship between the molality of a solution and its boiling point elevation?
  • A. Directly proportional
  • B. Inversely proportional
  • C. No relationship
  • D. Exponential relationship
Q. What is the relationship between the principal quantum number (n) and the energy of an electron in a hydrogen atom?
  • A. Energy increases with increasing n
  • B. Energy decreases with increasing n
  • C. Energy is independent of n
  • D. Energy is maximum at n=1
Q. What is the relationship between ΔG and equilibrium constant K?
  • A. ΔG = -RT ln K
  • B. ΔG = RT ln K
  • C. ΔG = KRT
  • D. ΔG = K/R
Q. What is the relationship between ΔG and the equilibrium constant (K)?
  • A. ΔG = -RT ln(K)
  • B. ΔG = RT ln(K)
  • C. ΔG = KRT
  • D. ΔG = K - RT
Q. What is the relationship between ΔG, ΔH, and ΔS at constant temperature?
  • A. ΔG = ΔH + TΔS
  • B. ΔG = ΔH - TΔS
  • C. ΔG = TΔS - ΔH
  • D. ΔG = ΔH/ΔS
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