(а) _КОНаq) +_H,02(aq) + _Cr(ОН);(8) _K,CrO4(aq) + __H,O(1) (b) _MnO4¯(aq) + _CIO,¯(aq) + _H2O(1) _MnO2(s) + _CIO4 (aq) + _OH¯(aq) - _Na,SO3(aq) + _H,O(1) MnO2(s) + _Na,SO,(aq) + (c) _КMnО,(аq) + — КОН(ад) - (d) _CrO,? (aq) + HSNO2 (aq) + H2O(1) CrO2 (aq) + _HSnO3¯(aq) + ОН (ад) (e) _NaNO2(aq) +_H2O(1) → _KMnO4(aq) + _MnO2(s) +_NaNO3(aq) + _KOH(aq) - (f) _I (aq) + _02(g) + _H2O(1) → L(s) + _OH¯(aq)
(а) _КОНаq) +_H,02(aq) + _Cr(ОН);(8) _K,CrO4(aq) + __H,O(1) (b) _MnO4¯(aq) + _CIO,¯(aq) + _H2O(1) _MnO2(s) + _CIO4 (aq) + _OH¯(aq) - _Na,SO3(aq) + _H,O(1) MnO2(s) + _Na,SO,(aq) + (c) _КMnО,(аq) + — КОН(ад) - (d) _CrO,? (aq) + HSNO2 (aq) + H2O(1) CrO2 (aq) + _HSnO3¯(aq) + ОН (ад) (e) _NaNO2(aq) +_H2O(1) → _KMnO4(aq) + _MnO2(s) +_NaNO3(aq) + _KOH(aq) - (f) _I (aq) + _02(g) + _H2O(1) → L(s) + _OH¯(aq)
Introductory Chemistry: An Active Learning Approach
6th Edition
ISBN:9781305079250
Author:Mark S. Cracolice, Ed Peters
Publisher:Mark S. Cracolice, Ed Peters
Chapter3: Measurement And Chemical Calculations
Section: Chapter Questions
Problem 128E: In Active Example 3-29 you calculated that you would have to work six weeks to earn enough money to...
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Question
Use the oxidation number method to balance the followingequations by placing coefficients in the blanks. Identify the re-ducing and oxidizing agents:
![(а) _КОНаq) +_H,02(aq) + _Cr(ОН);(8)
_K,CrO4(aq) + __H,O(1)
(b) _MnO4¯(aq) + _CIO,¯(aq) +
_H2O(1)
_MnO2(s) + _CIO4 (aq) + _OH¯(aq)
-
_Na,SO3(aq) + _H,O(1)
MnO2(s) + _Na,SO,(aq) +
(c) _КMnО,(аq) +
— КОН(ад)
-
(d) _CrO,? (aq) +
HSNO2 (aq) + H2O(1)
CrO2 (aq) + _HSnO3¯(aq) +
ОН (ад)
(e) _NaNO2(aq) +_H2O(1) →
_KMnO4(aq) +
_MnO2(s) +_NaNO3(aq) + _KOH(aq)
-
(f) _I (aq) + _02(g) + _H2O(1) →
L(s) + _OH¯(aq)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F48e3791d-2152-4d4c-8c90-b65a0eb5bc32%2F5ae77b81-34f1-4cc0-9d20-440aa337e1f8%2Fzffk3en.png&w=3840&q=75)
Transcribed Image Text:(а) _КОНаq) +_H,02(aq) + _Cr(ОН);(8)
_K,CrO4(aq) + __H,O(1)
(b) _MnO4¯(aq) + _CIO,¯(aq) +
_H2O(1)
_MnO2(s) + _CIO4 (aq) + _OH¯(aq)
-
_Na,SO3(aq) + _H,O(1)
MnO2(s) + _Na,SO,(aq) +
(c) _КMnО,(аq) +
— КОН(ад)
-
(d) _CrO,? (aq) +
HSNO2 (aq) + H2O(1)
CrO2 (aq) + _HSnO3¯(aq) +
ОН (ад)
(e) _NaNO2(aq) +_H2O(1) →
_KMnO4(aq) +
_MnO2(s) +_NaNO3(aq) + _KOH(aq)
-
(f) _I (aq) + _02(g) + _H2O(1) →
L(s) + _OH¯(aq)
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