ACS Gen Chem Practice Exam Questions and Answers | 100% Pass

ACS Gen Chem Practice Exam Questions and Answers | 100% Pass Which is the strongest oxidizing agent? N a →← N a + + e - 2 . 7 1 V Cd →← Cd2+ + 2e- 0.40 V H2 →← 2H+ +2e- 0.00V Ag→← Ag++e- -0.80V (A) Na+ (B)H2 (C) Cd0 (D)Ag+ - ️️ Correct-Ag+ All are examples of Lewis acid-base reactions except Cu2+(aq) + 4NH3(aq) →← [Cu(NH3)4]2+(aq) HCl(g) + NH3(g) → NH4Cl(s) H+(aq) + OH-(aq) →← H2O(l) 2Na(s) + Cl2(g) → 2NaCl(s) - ️️ Correct-2Na + Cl2 -> 2NaCl(s) According to the Lewis definition, an acid is a species - ️️ Correct-accepting a pair of electrons All are potential Lewis bases except NH3 TITLE: EMILLYCHARLOTTE 2024/2025 ACADEMIC PERIOD OWNER: EMILLYCHARLOTTE COPYRIGHT STATEMENT: ©2024 EMILLYCHARLOTTE. ALL RIGHTS RESERVED FIRST PUBLISHED: SEPTEMBER 2024 2/14 H2O CH4 CN- - ️️ Correct-CH4 Which hydrated metal ion is most acidic under conditions of equal molar concentration in water? - ️️ Correct-Al3+ Which element in Group 5A forms the most basic oxide? - ️️ Correct-Bi In what respect does an atom of magnesium differ from a magnesium ion (Mg^2+) - ️️ Correct-The ion has more stable electronic arrangement than the atom A certain atom has the symbol 148/73Px. What does the symbol tell about an atom of the element? - ️️ Correct-It has 75 neutrons in the nucleus The atomic mass of an element is 32.07 u and its atomic number is 16. The number of protons contained in the nucleus of an atom of this element is - ️️ Correct-16 The atomic mass of an element is 32.07 u and its atomic number is 16. The element forms a simple ion. The ion will most likely have a charge of - ️️ Correct-2- Which atom contains 7 neutrons A. n=1 n=2 n=3 M=24,z=12 2e 8e 2e B. n=1 n=2 n=3 M=15 z=7 2e 5e C. n=1 n=2 n=3 TITLE: EMILLYCHARLOTTE 2024/2025 ACADEMIC PERIOD OWNER: EMILLYCHARLOTTE COPYRIGHT STATEMENT: ©2024 EMILLYCHARLOTTE. ALL RIGHTS RESERVED FIRST PUBLISHED: SEPTEMBER 2024 3/14 M=17, z=10 2e 8e D. n=1 n=2 n=3 M=34, z=17 2e 8e 7e - ️️ Correct-C In which pair of compounds should the first member be more covalent than the second member? A TlCl, TlCl3 B SnI4,SnF4 C LiF, BF3 D SnF4, CF4 - ️️ Correct-SnI4, SnF4 Which is the most complete and best description of a covalent bond? - ️️ Correct-a system of nuclei where each atom donates one electron to the other atom, thus forming a bond Which pair of elements is most likely to react to form a covalently bonded species? A P and O B Ca and O C K and S D Zn and C - ️️ Correct-P and O Which chloride should exhibit the most covalent type of bond? NaCl KCl CaCl2 TITLE: EMILLYCHARLOTTE 2024/2025 ACADEMIC PERIOD OWNER: EMILLYCHARLOTTE COPYRIGHT STATEMENT: ©2024 EMILLYCHARLOTTE. ALL RIGHTS RESERVED FIRST PUBLISHED: SEPTEMBER 2024 4/14 BaCl2 BeCl2 - ️️ Correct-BeCl2 Which two elements are most likely to involve covalent bonding? Q 0.9 R 1.0 T 2.8 X 3.0 Z 4.0 - ️️ Correct-T and X Chromium metal can be plated from an acidic solution of CrO3. How many grams of chromium will be plated by the passage of 19,300 C - ️️ Correct- 1.73g What time is required to plate 2.08g of copper at a constant current flow of 1.26 A - ️️ Correct-83.6 Nickel is a transition element and has a variable