The order of interaction is proportional to charge on ion and inversely proportional to size of the ion. Going by this, we get the order:
K+ < Na+ < Li+ < Ca2+ < Mg2+
Question 13 (1 point) Which of the following lists the cations in order of increasing strength...
Question 11 (1 point) Which of the following lists the cations in order of increasing strength of interaction with water when in an aqueous solution? Lit < Na* < K* < Ca2+ < Mg2+ OK* < Na* < Li* < Ca2+ < Mg2+ Mg?* < Ca?* < Lit < Na* < K* OLi* < Na* < K* < Mg2+ < Ca2+ O Lit < Mg2+ < Nat < Ca2+ < K+
Ranking 6. Arrange the following species in order of increasing radius. Specie Ranking Specie Ranking Specie CI, S Mg2+, F- | Br, Rb, Kr Cs, K Ca, Mg, Sr Sr, Ca, Rb CI, F K, Ga, Ca Na+, Mg2+, Al3+, F CI, S2- Au*, Au3+ Cu²+, Cut AI, Mg Cl, Br, F- Ca2+, Sr2+, Cs, Ba2+
Please Answer: CALCULATION QUESTION 1 (A) Calculate the number of cmol of Al3+ cations needed to replace 10 cmolc of Ca2+ by cation exchange in a soil. (B) How many grams of Al3+ does this correspond to? (you’ll need the atomic weight of Al, which is 27 g/mol, to calculate this) CALCULATION QUESTION 2 A soil sample (500 g) contains the following amounts of exchangeable cations: Ca2+= 9 cmolc , Mg2+= 3 cmolc , K+= 1 cmolc , Al3+= 3...
11. Which of these lists of molecules is arranged in order of increasing acid strength? H2S <H20 <H2Se 6. HS <H2Se <H20 H2O <H2S <H2Se d. H20 <HSe <H2S 8bl - Paral- 12. Which of the following would decrease the Ksp for Pb12? a. Lowering the pH of the solution b. Adding a solution of Pb(NO3)2 c. Adding a solution of KI d. None of a), b.), or c.). 13. A titration of an acid and base to the equivalence...
Solubility Rules TABLE 1: SOLUBILITY RULES FOR CATIONS Precipitating agent lons that will form a precipitate Cl", Br", Agt, Pb2+, and Hg22 Ca2+, Sr2+, Ba2+, Agt, and Pb2+ All metal ions (with widely varying Ksp values) except Li, Na+, K+, and NHA All metal ions except Lit, Na, K, NH4+, Ca?, Srl, and Ba? CO32- All metal ions except Lit, Na, K, and NHA PO43- All metal ions except Lit, Na, K, and NH4 50,2- OH S2- Pre-Lab Questions 1....
Question 4 1 pts Which of the lists of increasing ionic radii is not correct? A) CI° < Br< 1 B) A13+ < Mg2+ < Nat C) Ca2+ < Sr2+ < Ba2+ D) 52- < Cl" <k E) Nat < 02- < N3- ОА B Ос D О Е What are the hybridizations of the three labeled atoms? :0: -0-H:0: H 5(-- cec H ö -C-C-H B C С C H А H A) 1=sp?, 2=sp?, 3=sp3 B) 1=sp?, 2=sp3,...
Based on their positions in the periodic table, list the following ions in order of increasing ionic radius. (Use the appropriate <, =, or > symbol to separate substances in the list.) K +, Na+, Ca2+, Mg2+
please help! 3) Which one of the following sets of ions shows an order of lowest to highest hydration energy? ) Ca2+ < K+ < Rb+ B) Ca2+ < Nat < Mg2+ Lit <kt < Cs b) Mg2+ < Ca2+ < Ba2+ E) Rb* <K* < Ca2+
Question 9 1 pts Place the following in the correct order of increasing size/radius. Na+1 Mg+252c11 S2 CF1< Na+1< Mgt? Mg+2 < Na+1< 52< C1-1 Nat1 < Mg2< 5 < C11 Mg+2 < Na+1< Cl< 52
need help clear your answer !! Question 1 (1 point) Which of the following correctly lists the ions in order of increasing absolute value of the enthalpy of hydration? O 1) srat < cazt <I 2) I < Sr2+ < Ca2+ 03) sr2< < cazt O 4) caz* < Srz* <I 05) Ca2+ < I < Sr2+ Question 2 (1 point) Which of the following is true? i. Combustion enthalpies are always negative. ii. Hydration enthalpies are always negative. O...