Equal length of magnesium ribbon are taken in two test tubes ‘A’ and ‘B H2SO4 is added to test tube ‘A’ and CH3COOH in the test tube ‘B’ in equal amounts:
Name the gas liberated in both the tubes.
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a) H
2
SO
4
test tube i.e A will show more rigorous reactions
b) Since acidic strength of H
2
SO
4
is more than H
2
CO
3
c) Mg+H
2
SO
4
→MgSO
4
+H
2
(g)
Mg+H
2
CO
3
→MgCO
3
+H
2
(g)
The liberated gas is H
2
and it burns with popping sound.
d) Mg+H
2
SO
4
→MgSO
4
+H
2
(g)
Mg+H
2
CO
3
→MgCO
3
+H
2
(g)
e)
i) Since H
2
SO
4
is more acidic, it will have lower pH value.
ii) Test tube B will have lower H
+
concentration as H
2
CO
3
is a weak acid.
2
SO
4
test tube i.e A will show more rigorous reactions
b) Since acidic strength of H
2
SO
4
is more than H
2
CO
3
c) Mg+H
2
SO
4
→MgSO
4
+H
2
(g)
Mg+H
2
CO
3
→MgCO
3
+H
2
(g)
The liberated gas is H
2
and it burns with popping sound.
d) Mg+H
2
SO
4
→MgSO
4
+H
2
(g)
Mg+H
2
CO
3
→MgCO
3
+H
2
(g)
e)
i) Since H
2
SO
4
is more acidic, it will have lower pH value.
ii) Test tube B will have lower H
+
concentration as H
2
CO
3
is a weak acid.
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