Chemical Reaction Engineering Which of the following curves shows the effect of temperature on the extent of gas-solid adsorption at a given pressure? Freundlich adsorption isotherm Adsorption isobar Langmuir adsorption isotherm None of these Freundlich adsorption isotherm Adsorption isobar Langmuir adsorption isotherm None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The effectiveness factor for large value of Thiele modulus (L√(K/D1)) of a solid catalysed first order reaction is equal to (where, L = length of the reactor, cm, D1 = diffusion co-efficient, cm²/second) 1 1/(L√(K/D1)) L√(K/D1) ∞ 1 1/(L√(K/D1)) L√(K/D1) ∞ ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The temperature dependence of reaction rate constant (K) by Arhenius law is given by K α e-E/RT K α T . e-E/RT K α eE/RT K α √T . e-E/RT K α e-E/RT K α T . e-E/RT K α eE/RT K α √T . e-E/RT ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If helium is introduced in a reactor containing O₂, SO₂ and SO₃ at equilibrium, so that total pressure increases while volume and temperature remains constant. In this case the dissociation of SO₃ (as per Le Chatlier principle) Increases Changes unpredictably Decreases Remains unaltered Increases Changes unpredictably Decreases Remains unaltered ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Consider the 'n' th order irreversible liquid phase reaction A → B. Which one of the following plots involving half life of the reaction (t1/2) and the initial reactant concentration (CA0) gives a straight line plot? CA0 Vs t1/2 Ln CA0 Vs t1/2 Ln CA0 Vs ln t1/2 CA0 Vs ln t1/2 CA0 Vs t1/2 Ln CA0 Vs t1/2 Ln CA0 Vs ln t1/2 CA0 Vs ln t1/2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is not a chemical step in a fluid solid catalytic reaction? Desorption Adsorption Surface chemical reaction None of these Desorption Adsorption Surface chemical reaction None of these ANSWER DOWNLOAD EXAMIANS APP