2010F - CHEM 126101 Chapter 18 Regular Homework Electrochemistry I

2010F - CHEM 126101 Chapter 18 Regular Homework Electrochemistry I

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: 10F - CHEM 126101 - GEN CHEMISTRY II You are logged in as Andrew Sindt ( Logout ) You are here • NJIT • / ► 2010F - CHEM 126101 • / ► Quizzes • / ► Chapter 18 Regular Homework: Electrochemistry I • / ► Review of attempt 2 Chapter 18 Regular Homework: Electrochemistry I Review of attempt 2 Started on Tuesday, 9 November 2010, 12:27 AM Completed on Tuesday, 9 November 2010, 01:16 AM Time taken 48 mins 56 secs Finish review Marks 32/35 Grade 9.14 out of a maximum of 10 ( 91 %) Question 1 Marks: 1 What is the oxidation state assigned to Mn in potassium permanganate, KMnO 4 ? (Recall that answers must be numbers, that is, F is -1 not 1- in HF.) Answer: Correct Marks for this submission: 1/1. Question 2 Marks: 1 What is the oxidation state assigned to N in NH 2- ? Answer: Correct Marks for this submission: 1/1. Question 3 Marks: 1 What is the oxidation state assigned to Xe in XeO 2 F 2 ? Answer: Correct Marks for this submission: 1/1. Question 4 Marks: 1 What is the oxidation state assigned to Hg in Hg 2 Cl 2 ? Answer: Correct Marks for this submission: 1/1. Question 5 Marks: 1 What is the oxidation state assigned to O in KO 2 ? Answer: Correct Marks for this submission: 1/1. Question 6 Marks: 1 What is the oxidation state assigned to Cr in zinc dichromate, ZnCr 2 O 7 ? Answer: Correct Marks for this submission: 1/1. Question 7 Marks: 1 What is the oxidation state assigned to Xe in XeO 3 F 2 ? Answer: Correct Marks for this submission: 1/1. Question 8 Marks: 1 What is the oxidation state assigned to N in the nitrite ion, NO 2- ? Answer: Correct Marks for this submission: 1/1. Question 9 Marks: 1 Easy : Complete and balance the following redox reaction in acid solution: Cl2(g) + Br-(aq) → Cl-(aq) + Br2(l) For the balanced oxidation half-reaction, how many electrons are produced? How many bromide ions are there? (Always use smallest integer coefficients.) Choose at least one answer. a. 1 e- b. 2 e- c. 1 Br- d. 2 Br- Correct Marks for this submission: 1/1. Question 10 Marks: 1 How many chlorine molecules are in the balanced equation? Answer: Correct Marks for this submission: 1/1....
View Full Document

This note was uploaded on 11/09/2010 for the course CHEM Chem taught by Professor Petrova during the Spring '09 term at NJIT.

Page1 / 10

2010F - CHEM 126101 Chapter 18 Regular Homework Electrochemistry I

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online