In which of the following ions is the value of n likely to be the largest?...
3. Consider the reactions below. Which of the reactions below has the largest Keq as shown? (3 points). O -K+ H-N + Li-N Li-N + H-N C. d. Na+O O + HOCH3 + Na -OCH3 Na+-OH + H20 OCH3 OCH3 3. Consider the reactions below. Which of the reactions below has the largest Keq as shown? (3 points). O -K+ H-N + Li-N Li-N + H-N C. d. Na+O O + HOCH3 + Na -OCH3 Na+-OH + H20 OCH3 OCH3
Which of the following complex ions is tetrahedral? Select one: a. [NiC14]2- o b. [PtC1412- OC. [AuCl4] O d. [PdC1412- Save response
Which of the following atoms would be expected to form negative ions in. bnary lonic compounds & which would be expected to form positive ions ? K, Li, o,V, Rb, cl, Au, I, Bi Expected to form negative ions! Expeeded to form positive ions? 11 Rank in (< the bonds (H-I, C-Br, IF, N-H) order of increasing Plarity using =, or ) 2. 0/0.3 points Previous Answers Predict which of the following compounds are ionic and which are covalent based...
Rank the following elements in order of increasing metallic character (from least metallic to most metallic): Ne, K, Mg, Rb, N 2. Which of the following groups of elements all have 7 valence electrons? Select one: Li / Na / K / Rb N / P / As / Sb C / Si / Ge / Sn F / Cl / Br / I B / Al / Ga / In O / S / Se / Te
8) Arrange these ions according to ionic radius. Largest to smallest. (K+, Ca^2+, S^2-, CI-, P^3-) 10) Highest to lowest ionization energy. (K, Na, Rb, Li)
(a) Which of the following atoms or ions is diamagnetic? Cr Br Mn2+ B C4+ (b) Which of the following atoms or ions is paramagnetic? C4- S4+ V4+ Se2- Ge4+ (c) Which one of the following elements has a +2 ion with 1 unpaired electron? Se Mg N V Fe (d) Use periodic trends and predict which of the following elements has the smallest first ionization energy. Na F K P (e) Use periodic trends and predict which of the...
14. Identify the isoelectronic elements/ions a) F–, Cl–, Br–, I– b) Li, Na, K, Rb d) Ti2+, Cr2+, Fe2+, Cu2+ e) As3–, Se2–, Rb+, Sr2+ h) Both “c” and “d” c) P3–, S2–, Br–, Rb+ f) B, C, N, O g) Both “a” and “b” h) Both “c” and “d”
32. Which of the following has the largest electronegativity? a. O d. Na b. S e. c. N. 33. Which of the following has the largest ionization energy ? a. Li d. Si b. Cs c. Be e N 4. Which of the following atoms has the largest atomic radius? d. a. Li AI b. Na e. Si
(a) Which of the ions Sr 2+, Rb . Cs will have the largest heat of hydration? Which the smallest? (b) of the two compounds CaF 2 and KF, which has the stronger intermolecular forces? (c) of the two compounds H 20 and CCl4, which has the stronger intermolecular forces? 5. Calculate the heat (in kJ) required to transform 45.70 g of bromine from a solid at a temperature of -7.2 °C to a gas at 82 °C. Report your...
Rank the following ions in order of decreasing radius: Li+, Na+, K+, Rb+, and Cs+. Use the periodic table as necessary. Rank from largest to smallest radius. To rank items as equivalent, overlap them.