Home School News C B T Classroom

Thursday, 21 November 2024

Register • Login

Formation of coloured ions - Jamb Chemistry Past Questions and Answers

Jamb Chemistry Past Questions

Jamb Past Questions and Answers on Formation of coloured ions

Question 1:

JAMB 2019

If excess zinc is added to a bluish green solution of copper (II) sulphate, and the excess zinc filtered off after completion of reaction, a colourless solution is obtained because

A. Both zinc and copper are metals
B. The sulphate radical and the zinc ion are divalent
C. Zinc is more electropositive than copper
D. Both zinc and copper form depositive ions in solution
E. Zinc is a reducing agent

View Answer & Explanation

Jamb Subjects

• Accounts - Principles of Accounts

• Animal Husbandry

• Agricultural Science

• Arabic

• Biology

• Book Keeping

• Chemistry

• Commerce

• Christian Religious Knowledge (CRK)

• Civic Education

• Computer Studies

• English Language

• Economics

• Fine Arts

• French

• Further Mathematics

• Geography

• Government

• History

• Hausa

• Insurance

• Igbo

• Islamic Religious Knowledge (IRK)

• Literature in English

• Mathematics

• Music

• Physics

• Physical Education

• Sweet Sixteen

• The Life Changer

• Yoruba

About

Back to Top

...

Disclaimer

All Views, Names, Acronyms, Trademarks, Expressed on this website are those of their respective owners. Please note that www.schoolngr.com is not affiliated with any of the institutions featured in this website. It is always recommended to visit an institutions or sources official website for more information. In the same vein, all comments placed here do not represent the opinion of schoolngr.com