Question: ( a ) K 2 CrO 4 + BaCl 2 - > BaCrO 4 + 2 KCI ( b ) Pb 2 2 + +

(a) K2CrO4+ BaCl2-> BaCrO4+2KCI
(b) Pb22++2Br -> PbBr
(c) Cu + S CuS
Identify the reaction among the given options that involves a change in oxidation states.

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Chemical Engineering Questions!

Q:

Use data from Table 19.1, as necessary, to predict the probable products when Pt electrodes are used in the electrolysis of (a) CuCl 2 (aq); (b) Na 2 SO 4 (aq); (c) BaCl 2 (l); (d) KOH(aq). Table...

Q:

Question 1 (1 point) In general, chemical reactions occur because reactants are trying to become more O A) electronegative O B) stable C) energetic OD) radioactive Question 2 (1 point) The reaction...

Q:

please answer all these question. please help with these questions 11 mark 1. (a) Identify the spectator ions in the following equation Cl(aq) . 2 Naa) . 21- (aq) - (aq) + 2Na+ (aq) + 2CH(4) (D)...

Q:

Research Recherche Family caregiver burden: results of a longitudinal study of breast cancer patients and their principal caregivers Eva Grunfeld, Doug Coyle, Timothy Whelan, Jennifer Clinch, Leonard...

Q:

Refer to the periodic table and predict which element in each of the following pairs has the higher ionization energy. (a) Ga or Ge (b) Si or P (c) Br or Cl (d) As or Sb. Periodic Table: 2 3 4 10 6 3...

Q:

Refer to the periodic table and state the highest energy sublevel for each of the following elements. (a) H (b) Na (c) Sm (d) Br (e) Sr (f) C (g) Sn (h) Cs. Periodic Table: 2 3 4 10 6 3 7 11 Li 6.94...

Q:

Based on the general trends in the periodic table, predict which element in each of the following pairs has the most metallic character: (a) Sn or Pb (b) Ag or Sr (c) Al or B (d) Ga or Ge. Periodic...

Q:

Use the periodic table to predict an ionic charge for each of the following metal ions. (a) Na ion (b) Ba ion (c) Ga ion (d) Pb ion. Periodic Table 2 3 4 5 6 7 3 11 Li 6.94 1 IA Na 22.99 19 37 al 55...

Q:

Use data from Appendix D to determine (a) r H, r S, and r G at 298 K and (b) K at 875 K for the water gas shift reaction, used commercially to produce H 2 (g): CO(g) + H 2 O(g) CO 2 (g) + H 2...

Q:

Refer to the periodic table and state the number of atoms for each of the following nonmetals. (a) 30.97 g P (b) 20.18 g Ne. Periodic Table: 19 2 3 4 5 6 7 3 11 1 IA Li 6.94 Na 22.99 19 37 4 12 87 2...

Q:

Tasman Products, Ltd., of Australia has a Maintenance Department that services the equipment in the companys Forming Department and Assembly Department. The cost of this servicing is charged to the...

Q:

Derive a mathematical formula for the maximum mixing depth (MMD)for a hot, dry air pollution source (T source >T ambient ) into a subadiabatic atmosphere based onT source , T ambient ,(dT/dz)...

Q:

b ) In light of XYZ Ltd ' s high debt - to - equity ratio, what specific steps should Ms . Zuberi take to reduce the company s financial leverage? Discuss how these steps would improve the company s...

Q:

Write a C++ program that prompt the user to enter an interger number n, sum all the numbers starting from one to n inclusive and displays the final sum value at the end. Use While loop for going...

Q:

3. Explain how to use the indirect approach effectively when conveying negative news and explain how to avoid ethical problems when using this approach.

Q:

5. Describe successful strategies for sending negative employment-related messages.

Q:

8-2. What questions should you ask yourself when choosing between the direct and indirect approaches? [LO-1]