QUESTION 20What is the oxidation number of sulfur in K2S203?OA-2OB. +2OC. +3OD. +4OE +6ht) the oxidiz 9QUESTION 21In the reaction below, identify (in order left to right) the oxidizing agent and the substance being cuidizedHCIO(ag) + H2O2 → HCO2(aq) + H2O()OAHC102O B. НСІОО С. H2O2OD.H202O) E. HCIOHCIOH202HCIOН20осу

Answered: Image /qna-images/answer/d839dbb7-bdae-4d3c-b0dd-e1dfd15d0c4b.jpg

Answered: QUESTION 20 What is the oxidation…

Science

Chemistry

QUESTION 20 What is the oxidation number of sulfur in K2S203? OA-2 OB. +2 OC. +3 OD. +4 OE +6 All the oxid

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Similar questions

11
How many electrons are transferred in the reaction below?Cr + MnO4– + 2 H2O MnO2 + Cr(OH)3 + OH–
KC1 + 20₂ assign oxidation numbers to each element on each side of the equation. KCIO₁ 4 K in KClO4: Cl in KCIO4: O in KClO4: Which element is oxidized? Ок O Cl K in KC1: Cl in KC1: O in 0₂: Which element is reduced? Cl K
re K!! 2. Identify the element oxidized and the element reduced in the last reaction of the lab: Assign oxidation numbers to each element to do this. nevio nolteolnt ort CusOa(aq) + Zn(s) - ZnSOa(aq) + Cu(s) boA 3. What steps can you take to get maximum recovery of copper from your many reactions? List at least 3 biloe mol 4. Write a complete, balanced equation for the following reactions: (Don't forget to balance!) a. Magnesium hydroxide reacting with hypochlorous acid: b. Sodium bicarbonate reacting with perchloric acid: c. Aluminum hydroxide reacting with phosphoric acid: eso a neporby 5. Identifying Types of Reactions: For each of the following reactions, identify the category of reaction. General categories: exchange; acid/base; combustion, decomposition, synthesis, redox (single displacement) Reaction Category Fe(NO3)2 + 2KI – Fel2 + 2KNO3 er lo nase 1ol enollsupe beonsled einw HCI + NaOH - Naci + H20 C10He + 1202 → 10CO2 + 4H2O 8Cu + Sie - 8CuSi Ca(CH3COO)2 + K2CO3 → CaCO3 +…
Determine the oxidation number of the bolded and underlined element in the compound below. Write the number as either positive or negative as shown : +3 or -8 If zero, write zero. If there is more than one, only give the oxidation number of one of them. Na2Cr2O7
I'm not sure what this is asking or if I am doing them correctly
2. Determine the oxidation numbers of the atoms/ions in each of the following. H, CIo," ??- NaH Ca F2 3. Write the oxidation and reduction half reactions for the following redox reaction. Make sure to label which is the oxidation and which is the reduction. (The number of electrons in both half reactions should be equal. You may balance the equation first if it helps you.) Al s+HCI aq AIC 1, aq + H,(g)
The oxidation number of each atom in ammonium sulfite, (NH),SO3, is, respectively: O-6, +4, +6, -6 O-3, +1, +4, -2 -4, +1, +3, -2 O-4, +4, +6,-6 O-1.+1. +2, +2 1 pts Question 27 In the reaction 2 Al-5 H 0- OH -NO-> NH -2 AlOH)
3Co + 2Al3+ ---> 3Co2+ + 2Alin the above reaction, the oxidation state of cobalt changes from __ to __.How many electrons are transferred in the reaction? ___
What is the oxidation number of nitrogen in NaNO? +5 O+3 •Previous
14 What is the oxidation number of the carbon in the polyatomic ion C,H,O,1 in the compound barium acetate: 1 Ba(C,H,O,),? +4 -4 +3 -3
When does oxygen have an oxidation number different from 2-? O When it is bonded to fluorine O When it is bonded to hydrogen When it is bonded to itself It never does