Which of the following is the correct order of decreasing activity of the metals Fe, Ca, Al and Na?
a
Fe> Ca> Al> Na
b
Na> Ca> Al> Fe
c
Al> Fe> Na> Ca
d
Ca> Na> Fe>, Al
Explanation
Correct Option
bVideo Explanation
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Discussions (14)
jesuspet95
10 years ago
the metaL Lower in the activity
series posses Less energy so discharge in preference to another one Lower LiK Na wiLL discharge for Ca
Smort
2 years ago
well na is an alkanine metal which is crazy reactive asin, na bomb so it shoukd be the first before any and theres only one option with NA first soo....
Desdiado
1 year ago
well according to periodic trend down a group, one of it states, reactivity decreases down the group. but if this trend is followed, why is lithium not the first in the reactivity series?
