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Standard VIII
Chemistry
Laboratory Preparation
When zinc pow...
Question
When zinc powder is added to acetic acid ___________.
A
the mixture becomes warm
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B
a gas is evolved
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C
the colour of the mixture becomes yellow
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D
a solid settles at the bottom
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Solution
The correct option is
B
a gas is evolved
The reaction is:
Z
n
+
C
H
3
C
O
O
H
→
Z
n
(
C
H
3
C
O
O
)
2
+
H
2
Hydrogen gas is evolved. Zn being an active metal it readily reacts at room temperature.
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