The pH regarding millimolar HCl is actually ………… Question 75. (a) step 1 (b) step step three (c) dos (d) cuatro Address: (b) 3 Service: pH = – diary [H + ] [H + ] = 10 -step three pH = journal step one – diary [H + ] = diary step one – log ten -step 3 = step three Question 76. The product off ionic product out of h2o K is …………… (a) mol -1 L -step one (b) mol -2 L -2 (c) mol -dos L -step one (d) mol dos L -dos Address: (d) mol 2 L -dos Question 77. Review the equilibrium and choose the correct statement. HClO4 + H2O \(\rightleftharpoons\) H3O + + ClO4 + (a) HClO4 is the conjugate acid of H2O (b) H3O is the conjugate base of H2O (c) H2O is the conjugate acid of H3O (d) ClO4 is the conjugate base of HCIO4 Answer: (d) ClO4 is the conjugate base of HCIO4 Question 78. Which of the following is the strongest conjugate base? (a) CI – (b) CH3COO (c) SO4 2- (d) NO2 – Hint: CH3COO is a conjugate base of a weak acid. CH3COOH \(\rightleftharpoons\) CH3COO + H + Question 79. Which one of the following substance has the highest proton affinity? (a) H2O (b) H2S (c) NH3 (d) PH3 Answer: (c) NH3 Question 80. Which of the following is the strongest Lewis acid? (a) BI3 (b) BBr3 (c) BCI3 (d) BF3 Hint: Larger the size of the halogen atom less is the back donation of electrons into empty 2p orbital of B. Which of one’s following is the weakest acidic? Concern 81. (a) HF (b) HCI (c) HBr (d) Hey Answer: (a) HF Idea: HF does not offer proton effortlessly. […]