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3 years ago BidishaKashayap1333 jee jee main equilibrium 20 mL of 0.2 M NaOH are added to 50 mL of 0.2 M CH3COOH (Ka = 1.8 x 10^-5) the pH of the solution is 3 years ago BidishaKashayap1333 jee jee main equilibrium The degree of dissociation of 0.1M weak acid HA is 0.5%. If 2 mL of 1.0 M HA solution is diluted to 32 mL the degree of dissociation of acid and H3O^+ ion concentration in the resulting solution will be respectively 3 years ago BidishaKashayap1333 jee jee main equilibrium What happens when an inert gas is added to an equilibrium keeping volume unchanged? 3 years ago BidishaKashayap1333 jee jee main equilibrium What is the pH of a 10^-4 M OH^- solution at 330K, if Kw at 330K is 10^-13.6? 3 years ago BidishaKashayap1333 jee jee main equilibrium Calculate the pH of a solution containing 0.1 M HCO3^- and 0.2 M CO3^2- 3 years ago BidishaKashayap1333 jee jee main equilibrium If the reaction between CO2 and H2O is CO2 + H2O ⇌ H2CO3 ⇌ H+ + HCO3- If CO2 escapes from the system 3 years ago BidishaKashayap1333 jee jee main equilibrium Assuming that the buffer in the blood is CO2 - HCO3- Calculate the ratio of conjugate base to acid necessary to maintain blood at its proper pH of 7.4. 3 years ago BidishaKashayap1333 jee jee main equilibrium Which of the following statements about pH and H^+ ion concentration is incorrect? (a) Addition of one drop of concentrated HCl in NH4OH solution decreases pH of the solution. 3 years ago BidishaKashayap1333 jee jee main equilibrium Given (i) HCN(aq) + H2O(l) ⇌ H3O^+(aq) + CN^-(aq) Ka = 6.2 x 10^-10 (ii) CN^-(aq) + H2O(l) ⇌ HCN(aq) + OH^-(aq) Kb = 1.6 x 10^-5 These equilibrium show the following order of the relative base strength 3 years ago BidishaKashayap1333 jee jee main equilibrium Values of dissociation constant, Ka are given as follows: Acid Ka HCN 6.2 × 10^-10 HF 7.2 × 10^-4 HNO2 4.0 × 10^-4 3 years ago BidishaKashayap1333 jee jee main equilibrium The first and second dissociation constants of an acid H2A are 1.0 × 10^–5 and 5.0 × 10^-10 respectively. The overall dissociation constant of the acid will be 3 years ago BidishaKashayap1333 jee jee main equilibrium When CO2 dissolves in water, the following equilibrium is established CO2 + 2H2O ⇌ H3O+ + HCO3- for which the equilibrium constant is 3.8 × 10^-7 and pH = 6.0. 3 years ago BidishaKashayap1333 jee jee main equilibrium What is the decreasing order of basic strengths of OH^-, NH2^-, H–C ≡ C^- and CH3 – CH2^- 3 years ago BidishaKashayap1333 jee jee main equilibrium The increase of pressure on ice ⇌ water system at constant temperature will lead to 3 years ago BidishaKashayap1333 jee jee main equilibrium One mole of O2(g) and two moles of SO2(g) were heated in a closed vessel of one-litre capacity at 1098 K. At equilibrium 1.6 moles of SO3(g) were found. The equilibrium constant Kc of the reaction would be 3 years ago BidishaKashayap1333 jee jee main equilibrium At a certain temperature, the dissociation constants of formic acid and acetic acids are 1.8 × 10^–4 and 1.8 × 10^–6 respectively. The concentration of acetic acid solution in which the hydrogen ion has the same concentration as in 0.001 M formic aci... 3 years ago BidishaKashayap1333 jee jee main equilibrium Which equilibrium can be described as an acid base reaction using the Lewis acid-base definition but not using the Bronsted-Lowry definition? 3 years ago BidishaKashayap1333 jee jee main equilibrium Which one of the following is the correct statement? (a) HCO3^- is the conjugate base of CO3^2-. (b) NH2^- is the conjugate acid of NH3. 3 years ago BidishaKashayap1333 jee jee main equilibrium The hydrogen ion concentration of 0.2 N CH3COOH which is 40% dissociated is 3 years ago BidishaKashayap1333 jee jee main equilibrium Page 3 / 5 Prev 1 2 3 4 5 Next Share: Super Globals Requests: Server: Options and Features route: community use_home_url: url: https://eanshub.com/community/ pageid:187 default_groupid: 3 2022 How Can We Help? Δ Home About Us Contact Us Privacy Policy Term of Use Copyright © 2020 Eanshub All Rights Reserved
