Homework Help is Here – Start Your Trial Now!
Science
Chemistry
In the compound K2CrO4 , what is the correct oxidation number of each of its elements? (K is a Group I element) (The rules for assigning Oxidation States are given as below) 1) The oxidation numbers of the atoms in a neutral molecule must add up to zero. 2) Group I - +1; Group II – +2; Group III → +3 3) Fluorine - -1 (always) Halogens – -1 (except in compounds with O and other halogens) 4) Hydrogen - +1 (except in metal hydrides, e.g. LiH, Rule 2 and H has - 1) 5) Oxygen - -2 (except in compounds with F, Rule 3) and compounds with O-O bonds (Rules 2 & 4) OA K:+2 , Cr:+2 ,O: -2 OB. K:+1 , Cr:+4 ,0: -2 ocK:+1 , Cr:+2 ,0: -2 O D. K:+2 , Cr:+6 ,0: -2 K:+1 , Cr:+6 ,0: -2 O E.

In the compound K2CrO4 , what is the correct oxidation number of each of its elements? (K is a Group I element) (The rules for assigning Oxidation States are given as below) 1) The oxidation numbers of the atoms in a neutral molecule must add up to zero. 2) Group I - +1; Group II – +2; Group III → +3 3) Fluorine - -1 (always) Halogens – -1 (except in compounds with O and other halogens) 4) Hydrogen - +1 (except in metal hydrides, e.g. LiH, Rule 2 and H has - 1) 5) Oxygen - -2 (except in compounds with F, Rule 3) and compounds with O-O bonds (Rules 2 & 4) OA K:+2 , Cr:+2 ,O: -2 OB. K:+1 , Cr:+4 ,0: -2 ocK:+1 , Cr:+2 ,0: -2 O D. K:+2 , Cr:+6 ,0: -2 K:+1 , Cr:+6 ,0: -2 O E.

Chemistry & Chemical Reactivity
Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter3: Chemical Reactions
Section: Chapter Questions
Problem 93IL: The Toliens test for the presence of reducing sugars (say, in a urine sample) involves treating the...
See similar textbooks
icon
Related questions
Question
In the compound K2CrO4, what is the correct oxidation number of each of its elements? (K is a Group I element) (The rules for assigning Oxidation States are given as below) 1) The oxidation numbers of the atoms in a neutral molecule must add up to zero. 2) Group I- +1; Group II → +2; Group III → +3 3) Fluorine - -1 (always) Halogens --1 (except in compounds with O and other halogens) 4) Hydrogen - +1 (except in metal hydrides, e.g. LiH, Rule 2 and H has - 1) 5) Oxygen - -2 (except in compounds with F, Rule 3) and compounds with O-O bonds (Rules 2 & 4) OA K:+2 , Cr:+2 ,0: -2 O B. K:+1 , Cr:+4 ,0: -2 ocK:+1 , Cr:+2 ,O: -2 OD. K:+2 , Cr:+6 ,0: -2 OF K:+1 , Cr:+6 ,0: -2
Transcribed Image Text:In the compound K2CrO4, what is the correct oxidation number of each of its elements? (K is a Group I element) (The rules for assigning Oxidation States are given as below) 1) The oxidation numbers of the atoms in a neutral molecule must add up to zero. 2) Group I- +1; Group II → +2; Group III → +3 3) Fluorine - -1 (always) Halogens --1 (except in compounds with O and other halogens) 4) Hydrogen - +1 (except in metal hydrides, e.g. LiH, Rule 2 and H has - 1) 5) Oxygen - -2 (except in compounds with F, Rule 3) and compounds with O-O bonds (Rules 2 & 4) OA K:+2 , Cr:+2 ,0: -2 O B. K:+1 , Cr:+4 ,0: -2 ocK:+1 , Cr:+2 ,O: -2 OD. K:+2 , Cr:+6 ,0: -2 OF K:+1 , Cr:+6 ,0: -2
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Knowledge Booster
Redox Titrations
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.
Similar questions
Recommended textbooks for you
Chemistry & Chemical Reactivity
Chemistry & Chemical Reactivity
Chemistry
ISBN:
9781337399074
Author:
John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:
Cengage Learning
Chemistry & Chemical Reactivity
Chemistry & Chemical Reactivity
Chemistry
ISBN:
9781133949640
Author:
John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:
Cengage Learning
Chemistry
Chemistry
Chemistry
ISBN:
9781305957404
Author:
Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:
Cengage Learning
Chemistry: The Molecular Science
Chemistry: The Molecular Science
Chemistry
ISBN:
9781285199047
Author:
John W. Moore, Conrad L. Stanitski
Publisher:
Cengage Learning
Chemistry
Chemistry
Chemistry
ISBN:
9781133611097
Author:
Steven S. Zumdahl
Publisher:
Cengage Learning
Chemistry: An Atoms First Approach
Chemistry: An Atoms First Approach
Chemistry
ISBN:
9781305079243
Author:
Steven S. Zumdahl, Susan A. Zumdahl
Publisher:
Cengage Learning
SEE MORE TEXTBOOKS