TECHNICAL UNIVERSITY OF MOMBASA
FACULTY OF APPLIED AND HEALTH SCIENCES
DEPARTMENT OF PURE & APPLIED SCIENCES
UNIVERSITY EXAMINATION FOR:
BACHELOR OF SCIENCE IN MEDICAL ENGINEERING
BACHELOR OF TECHNOLOGY IN MEDICAL ENGINEERING
ACH 4150 : CHEMISTRY FOR ENGINEERS
END OF SEMESTER EXAMINATION
SERIES: DECEMBER 2016
TIME: 2 HOURS
DATE: Pick Date Dec 2016
Instructions to Candidates
You should have the following for this examination
-Answer Booklet, examination pass and student ID
This paper consists of FIVE questions. Answer question ONE (Compulsory) and any other TWO questions.
Do not write on the question paper.
Question ONE
(a) Assign oxidation numbers to the underlined elements in the following compounds and ion;
(i) H3PO4 (ii) NaBH4 (iii) PtCl62- (3 marks)
(b) Give any THREE assumptions of Bohr’s theory of the structure of the H atom. (3 marks)
(c) 34.5 ml of a KHCO3 solution neutralises 25 ml of a 0.25M HCl solution.
(i) Write a balanced equation of the neutralisation reaction (1 mark)
(ii) Calculate the concentration of the KHCO3 solution. (3 marks)
(d) For the reaction
H2O2 + Fe2+ Fe3+ + H2O
(i) Write the oxidation and reduction half reactions (2 marks)
©Technical University of Mombasa Page 1 of 3
FACULTY OF APPLIED AND HEALTH SCIENCES
DEPARTMENT OF PURE & APPLIED SCIENCES
UNIVERSITY EXAMINATION FOR:
BACHELOR OF SCIENCE IN MEDICAL ENGINEERING
BACHELOR OF TECHNOLOGY IN MEDICAL ENGINEERING
ACH 4150 : CHEMISTRY FOR ENGINEERS
END OF SEMESTER EXAMINATION
SERIES: DECEMBER 2016
TIME: 2 HOURS
DATE: Pick Date Dec 2016
Instructions to Candidates
You should have the following for this examination
-Answer Booklet, examination pass and student ID
This paper consists of FIVE questions. Answer question ONE (Compulsory) and any other TWO questions.
Do not write on the question paper.
Question ONE
(a) Assign oxidation numbers to the underlined elements in the following compounds and ion;
(i) H3PO4 (ii) NaBH4 (iii) PtCl62- (3 marks)
(b) Give any THREE assumptions of Bohr’s theory of the structure of the H atom. (3 marks)
(c) 34.5 ml of a KHCO3 solution neutralises 25 ml of a 0.25M HCl solution.
(i) Write a balanced equation of the neutralisation reaction (1 mark)
(ii) Calculate the concentration of the KHCO3 solution. (3 marks)
(d) For the reaction
H2O2 + Fe2+ Fe3+ + H2O
(i) Write the oxidation and reduction half reactions (2 marks)
©Technical University of Mombasa Page 1 of 3
