The gas that is liberated when iron is heated with concentrated tetraoxosulphate (VI)acid is?

By: |Published on: Aug 25|Categories: Chemistry WAEC| 0 comments

A. H2S
B. SO2

C. HCI
D. SO3
E. O2

Correct Answer:

Option B – SO2

Explanation

2Fe (s) + 6H2SO4 (l) → Fe2(SO4)3 (aq) + 3SO2 (g) + 6H2O (l)

Users Also Read These:

SEE ALSO  In which of the following atoms is the ionic radius larger than the atomic radius? [11Na, 12Mg,13AI,17CI]

Copyright warnings! Do not copy.