Chemistry, 12.04.2021 14:00 saraaaalynn19061

Q26 (A). Define an electrolytic cell. Describe with a neat diagram, an electrolytic cell for the decomposition of molten NaCl. Write the reactions at the anode and cathode. (5 Marks) Q26 (B). (a) Evaluate the molarity of a solution that contains 10.50g of Ca(OH)2 in 2250 ml of solution. (2 Marks)

(b) How many grams of water must be used to dissolve 82 g of C6H5COOH to prepare a 1.75 m solution. (3 Marks)

Q26 (C). (a) Explain the following redox reactions: (3 Marks)

(i) 3Ti + 2Cr+3 → 3Ti+2 + 2Cr

(ii) 3Mn + 2Fe+3 → 2Mn+2 + 2Fe

(b) Find the oxidation number of the underlined element in the following: (2 Marks)

(i) C2H4O6-2

(ii) Cr2O5

Answers: 2

Show answers

Other questions on the subject: Chemistry

Chemistry, 22.06.2019 00:30, boonkgang6821

The clouds are grey and ground is wet. a quantitative b qualitative

Answers: 1

continue

Chemistry, 22.06.2019 17:30, Naysa150724

Oil rich countries in the middle east cover about 4% of earths total land area but prossess about 48% of the worlds known oil reserves what is the main reason for high concentration of reserves in this part of the world

Answers: 3

continue

Chemistry, 22.06.2019 18:30, madmatt873

What volume of a 0.0606 m solution of strontium bromide is needed to obtain 0.340 mol of the compound? question 42 options: a)5.61 l b) 3.4 l c) 600 ml d) 1 l e) 178 ml

Answers: 1

continue

Chemistry, 22.06.2019 23:00, bckyanne3

What is a substance? a. a physical property of matter b. a chemical property of matter c. an element or compound that cannot be physically separated d. characteristics used to tell the difference between mixtures

Answers: 1

continue

You know the right answer?

Q26 (A). Define an electrolytic cell. Describe with a neat diagram, an electrolytic cell for the dec...