oxidation number worksheet doc

� � a. CaCl 2 Cl- Cl 17. � w 3. � Letters to a German Princess, 2 vols. | ! Clo 2 clo clo 2 clo 3 clo 4 c. � OXIDATION /REDUCTION REACTIONS. . ! Assign oxidation number to each element in the following compounds: a. PbSO4 b. H2O2 c. K2Cr2O7 d. K2SiO3 . +2 C. 4 D. +4 3. a. Cr2O3 b. Na2Cr2O7 c. CrSO 4 d. chromate e. dichromate 3+ 6+ 2+ 7+ 6+ 13. 6 � 2. � J s Assign oxidation numbers to all elements in the reaction 2. Na Na 18. {� 6�h? An element that undergoes a change in oxidation number in the course of a reaction has been oxidized or reduced. The more electronegative element in a binary compound is assigned the number equal to the charge it would have if it were an ion. : � Oxidation Reduction Worksheet. {� h? ��ࡱ� > �� n p ���� m �������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������� y� �� � bjbj�� 8, �{ �{ � �� �� �� � H H � � � � � ���� � � � � � \ � a 0 . Cl2 Cl 16. C H K L N O P Q R U X [ � � � � � � � � � � � � � � � � � � � � � � � � � � Ff� Ff@ $If gd3U $$If a$gd/P [ \ ] ^ _ c i l m p q r s t w { ~  � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � Ff� $$If a$gd/P $If gd3U � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � Ff�$ $$If a$gd/P Ff> $If gd3U � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � Ff�2 Ff�+ $$If a$gd/P $If gd3U � � � � In compounds, the elements of groups 1 and 2 as well as aluminum have oxidation numbers of +1, +2, and +3 respectively. The oxidation number of any pure element is 0. Rules for assigning oxidation numbers the oxidation number of any uncombined element is 0 the oxidation number of a monatomic ion equals the charge on the ion. Cl 2 Cl 16. +6 B. 2. Na Na 18. � � N 2o no no 2 n 2o 4 n 2o 5 no 2 no 3 2. Determine which atom is oxidized and which is reduced in the following reaction. U � Oxidation Number = MnO4-oxygen’s oxidation number = -2 sum of ox. For monatomic ions, the oxidation number is equal to the charge on the ion. The oxidation number of a monatomic ion is equal to its charge. e &. The oxidation number of a monatomic ion equals the charge on the ion. P 2O 5 → P 4H 10 Determine the oxidation number 23. � 4. NH 3 → NO 2 20. � Rules for assigning oxidation numbers are as follows: • The oxidation number of any pure element is zero. Formula Element and Oxidation Number Formula Element and Oxidation Number 1. � Quiz worksheet goals. Directions: Use the Rules for Assigning Oxidation Numbers to determine the oxidation number assigned to each element in each of the given chemical formulas. � 1 0 a ( , � � . � � � � � � � � � � � � � � � � � � � � � � � � � Ff�O $If gd�Y` $$If a$gd/P $If gd3U � � Use oxidation #s. Remember that if the oxidation # increases it means oxidation and when it decreases it mean reduction! Oxidation Reduction Worksheet. -Cl Cl 17. 3 This Oxidation Numbers Worksheet is suitable for 10th - 12th Grade. � P � - � � � } C + O2 → CO2. Let's learn how to assign oxidation numbers. This is demonstrated by expanind Table \(\PageIndex{1}\). 7 � � � � � � � � � � � � ���������������������������������´������������� #h'C� h'C� CJ H*OJ QJ ^J aJ h�7- CJ OJ QJ ^J aJ #h'C� h'C� 5�CJ OJ QJ ^J aJ h'C� CJ OJ QJ ^J aJ .j h? � In chemical reactions, elements on the left side of the periodic table tend to _____ Electrons and those of the right side tend to _____ electrons. 4 Available for PC, iOS and Android. � R � SiO 2 Si O 3. r Oxidation numbers worksheet with answers. � � \ Rules for Determining Oxidation Numbers: Chem 111 Redox Worksheet. (Note: it is not necessary to use balanced equations) a. � This quiz and worksheet will help you check your understanding of oxidation numbers and how to assign them to atoms in molecules. {� h�*> 6�h? � The sum of the oxidation number of … Method 1: Oxidation number method 1. � a View 8.4 Oxidation Number Worksheet.docx from CHEMISTRY 1114 at Tulsa Community College. Oxidation Number (#) In ionic compounds, ox # of an ion = the charge of the ion, eg, +2 for Ca+2 and -2 for O-2 in CaO. The oxidation number of a monatomic ion equals that charge on the ion. In polar compounds, ox # of an atom = the charge it would have if it were an ion (if all electrons in each bond are assigned to the more electronegative* atom), eg, +2 for C and -2 for O in CO. � Download PDF - 07 Finding Oxidation Numbers Worksheet.doc [d47em38vqjn2]. � A pure element has an oxidation number of 0. � Hydrogen –usually +1, except when bonded to Group I or Group II, when it forms hydrides, -1. 2 3. ^ {� h�*> h�*> h�*> 5�CJ$ h%W 5�CJ$ h�Y` 5�CJ$ = � � � � � � � � ! ' The more-electronegative element in a binary compound is assigned the number equal to the charge it would have if it were an ion. The most secure digital platform to get legally binding, electronically signed documents in just a few seconds. � 4. The oxidation number of fluorine in a compound is always -1. MnO 2 → Mn 2O 3 19. Assigning Oxidation Numbers Worksheet. � Redox also causes a change in the oxidation numbers of the reductant and oxidant. changes 4. / 0 1 4 8 ; < = > ? � Which of the following are oxidation-reduction reactions? Na 2 O 2 Na O 2. K � T = Cl2 Cl 16. � I �� �� �� � � � X X X X X ���� l l l 8 � L � 4 l B% � $ $ " F F F ! 3. Compute the number of electrons lost in the oxidation and gained in the reduction from the O.N. � T � � T x } } � } } } } } � } } } a } } } } ���� ���� ���� ���� ���� ���� ���� ���� ���� ���� ���� ���� ���� ���� ���� ���� ���� � } } } } } } } } } H h : Oxidation Numbers Worksheet Directions: Use the Rules for Assigning Oxidation Numbers to determine the oxidation number assigned to each element in each of the given chemical formulas. {� CJ OJ QJ U^J aJ mH nH u h�*> CJ OJ QJ ^J aJ h�$ h�Y` H*h�$ h�Y` h�$ h�Y` H* 0/ � Worksheet – ASSIGNING OXIDATION NUMBERS. 3 R X � # $ % & 0 1 6 7 F G Q R g h s t y z � � � � � � � � � � � � � � � � � � � � � � � � � A Charting Oxidation Number Worksheet Answers Showing top 8 worksheets in the category oxidation numbers. � � v Use the changes in oxidation numbers to determine which elements are oxidized and which are reduced in these reactions. � � � � A. NH3 B. N2 C. NO2 D. N2O 2. � � � � � � � � � � � � � � � � � � � � � � � � � FfZ\ Ff V $If gd3U $$If a$gd/P $If gd�Y` � � Determine the oxidation number of each atom in the following substances. Thus the oxidation number of Cl in the Cl- ion is -1, that for Mg in the Mg+2 ion is +2, and that for oxygen in O2- ion is -2. @ Hydrogen –usually +1, except when bonded to Group I or Group II, when it forms hydrides, -1. Determining Oxidation Numbers (DOC 36 KB) Redox Worksheet # 1 - Assigning Oxidation Numbers (DOC 172 KB) Redox Reactions Warm Up (DOC 43 KB) Rules for Assigning Oxidation Numbers States (DOCX 15 KB) Oxidation and Reduction Cheat Sheet (DOCX 16 KB) Table J and Metal Activity Warm Up II (DOC 35 KB) Activity Series and Oxidation Reduction (DOC 51 KB) **Note: Notice that non-metals get the –ide ending to their names when they become an ion. � } S Title: Microsoft Word - 14-04 Oxidation numbers worksheet.doc Author: Brent White � . Give the oxidation numbers of all the elements in the following molecules and ions. � 12. 1. � Fluorine always has an oxidation number of –1 in compounds with all other. $ � ������������������������������������������������������������� h�$ h�Y` H*h�$ h3U H*h�$ h�Y` h�$ h3U H*h�$ h3U h�$ h�Y` 5�h? Na Na 18. p The oxidation number of fluorine in a compound is always -1. < In a reduction, one element in a species experiences a lowering of its oxidation number, while in an oxidation the opposite occurs. Thus the oxidation number of Cl in the Cl- ion is -1, that for Mg in the Mg2+ ion is +2. NF3 N F K2CO3 K C O c. NO3- N_____ O_____ HIO4 H I O For the following balanced redox reaction answer the following questions. � Oxygen has an oxidation number of -2 unless it is combined with F (when it is +2), or it is in a peroxide (such as H2O2 or Na2O2), when it is -1. / Oxidation Number Rules: The oxidation number of any pure element is 0. . 5 The sum of the oxidation numbers of all atoms in a polyatomic ion equals the charge of the ion. � elements. Each atom in a pure element has an oxidation number of zero. � Z " A. H 2SO 4 22. FormulaElement and Oxidation Number FormulaElement and Oxidation Number1.Cl2Cl16.Na2O2NaO2.Cl-Cl17.SiO2SiO3.NaNa18.CaCl2CaCl4.Na+Na19.PO43-PO5.O2O20.MnO2MnO6.N2N21.FeOFeO7.Al+3Al22.Fe2O3FeO8.H2OHO23.H2O2HO9.NO3-NO24.CaOCaO10.NO2NO25.H2SHS11.Cr2O72-CrO26.H2SO4HSO12.KClKCl27.NH4ClNHCl13.NH3NH28.K3PO4KPO14.CaH2CaH29.HNO3HNO15.SO42-SO30.KNO2KNO Rules for Assigning Oxidation Numbers The oxidation number of any uncombined element is 0. Oxidation Numbers Worksheet. M � E f � � � � � � � � � � � � � � � � � � � � � � � � � Ff�b $$If a$gd/P $If gd�Y` $If gd3U 7 8 m � 5 r  � A � � � � � � � � � � � � � � � � � � � � � � gd�Y` Name _ Pre AP Chemistry Oxidation Number Worksheet In the following questions, give the oxidation number … The oxidation number of alkali metals in compounds is +1, and that of alkaline earth metals in compounds is +2. 0 D In which substance is the oxidation number of nitrogen zero? � The oxidation number of a monatomic ion equals that charge on the ion. V � � SiO2 Si O 3. n b The sum of the oxidation numbers of all atoms in a neutral compound is 0. HClO 4 → HCl + H 2O 21. NF3 N +3 F -1 K2CO3 K +1 C 4 O -2 c. NO3- N____+5_____ O____-2_____ HIO4 H +1 I +7 O -2 For the following balanced redox reaction answer the following questions. Determine the oxidation number of each atom in the following substances. . } � Don’t forget to show brackets and charge on your LDS for ions! O � Use the changes in oxidation numbers to determine which elements are oxidized and which The oxidation number of any pure element is 0. � Determining Oxidation Numbers (DOC 36 KB) Redox Worksheet # 1 - Assigning Oxidation Numbers (DOC 172 KB) Redox Reactions Warm Up (DOC 43 KB) Rules for Assigning Oxidation Numbers States (DOCX 15 KB) Oxidation and Reduction Cheat Sheet (DOCX 16 KB) Table J and Metal Activity Warm Up II (DOC 35 KB) Activity Series and Oxidation Reduction (DOC 51 KB) oxidation number practice worksheet … ] Formula Element and Oxidation Number Formula Element and Oxidation Number 1. I � Worksheet 25 - Oxidation/Reduction Reactions Oxidation number rules: Elements have an oxidation number of 0 Group I and II – In addition to the elemental oxidation state of 0, Group I has an oxidation state of +1 and Group II has an oxidation state of +2. �$ �$ �$ �$ �$ �$ �$ $ :&. Determine the common oxidation number (charge) for each of the following ions, and then draw their Lewis Dot Structure. C Microsoft word 14 04 oxidation numbers worksheet doc author. What is the oxidation number of carbon in NaHCO3? WORKSHEET – ASSIGNING OXIDATION NUMBERS. � � � � � � � � � � � � � � � � � � � � � � � � � $If gd�Y` Ff8: $$If a$gd/P $If gd3U oxidation numbers and answers worksheet doc is to keep it for both of us, and it is to remain unbroken like our love. Directions: Use the Rules for Assigning Oxidation Numbers to determine the oxidation number assigned to each element in each of the given chemical formulas. Name _____ Period _____ Oxidation Number Rules: 1. The oxidation number of F is -1 in all its compounds. > t � b. , � � Na2O2 Na O 2. The oxidation number of an element in a monatomic ion equals the charge of the ion. � � } � � � T . 3. i Name:_____ Worksheet – ASSIGNING OXIDATION NUMBERS Oxidation Number Rules: 1. � Cl- Cl 17. � . � Start a free trial now to save yourself time and money! � Oxidation Numbers Worksheet Directions: Use the Rules for Assigning Oxidation Numbers to determine the oxidation number assigned to each element in each of the given chemical formulas. } } � � � � � � � $ � � C z � } [ " } } } � � . y State of the change that represents oxidation, reduction or neither. 1. _ The oxidation state of hydrogen in most of its compounds is +1 unless it is combined with a metal, in which case it is -1. Redox practice worksheet Name: Date: 1. Give oxidation numbers for the underlined atoms in these molecules and ions: a. Cs 2O b. PtCl 6 2- c. CaI 2 d. SnF 2 e. Al 2O 3 f. ClF 3 g. H 3AsO 3 h. SbF 6 - i. TiO 2 j. P 4 k. MoO 4 2-l. MnO 4 - m. PtCl 4 2- n. O 2 o. O 3 . � Fill out, securely sign, print or email your OXIDATION NUMBERS WORKSHEET - Emp Form/Mol Form instantly with SignNow. 1. c. 2H2O ↔ 2H2 + … � . Multiply one or both of these numbers … ~ O 2 → O2-22. j � 2. I. Oxidation Numbers…pp. 641-643. From the changes in O.N., identify the oxidized and reduced species 3. SiO2 Si O 3. � � h � The more electronegative element in a binary compound is assigned the number equal to the charge it would have if it were an ion. Worksheet 25 - Oxidation/Reduction Reactions Oxidation number rules: Elements have an oxidation number of 0 Group I and II – In addition to the elemental oxidation state of 0, Group I has an oxidation state of +1 and Group II has an oxidation state of +2. ���� �, ��� ���� � • The oxidation number of a monatomic ion is equal to its charge. 18. � � � � � � � � � � � � � � � � � � � � � � � � � Ff�H FffA $If gd3U $$If a$gd/P $If gd�Y` e Oxidation Numbers Worksheet. � � . ( 2. o In the reaction Al0 +Cr3+!Al3 +Cr0, the reducing agent is A. Al0 B. Cr3+ C. Al3+ D. Cr0 4. � Thus the oxidation number of H in H2 is zero. ��ࡱ� > �� J L ���� I �������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������� � �� �0 bjbjOO 76 -a -a ? Na2O2 Na O 2. z � � � � � � � � � � � � � � � � � � � � � � $$If a$gd/P Ff� $$If a$gd�Y` $If gd3U gd�*> &d P� � gd�*> $a$gd�*> ' * + - . I knew that with two young hounds they would never catch him, but I hoped that he would give them a good run before the sun killed the scent. Formula Element and Oxidation Number Formula Element and Oxidation Number 1. nos. 2. 2Na + Cl2 → 2NaCl. Oxidation Number Oxidation numbers are a useful tool for determining whether a substance has been oxidized or reduced. # Calculate the oxidation number of chromium in each of the following.

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