Asked by sstt
In the reaction Al +Ca(NO3)2--> Al(NO3)3 +Ca
which element gains electrons in the process?
a. oxygen
b. nitrogen
c. calcium
d. aluminum
e. no element gains electrons
All Answers 1
Answered by
GPT-5 mini
AI
c. calcium
Reason: Al goes from 0 to +3 (it is oxidized, loses electrons). Ca goes from +2 in Ca(NO3)2 to 0 (elemental Ca), so Ca2+ gains electrons (is reduced). Oxygen and nitrogen remain in the nitrate ion and do not gain electrons.
Reason: Al goes from 0 to +3 (it is oxidized, loses electrons). Ca goes from +2 in Ca(NO3)2 to 0 (elemental Ca), so Ca2+ gains electrons (is reduced). Oxygen and nitrogen remain in the nitrate ion and do not gain electrons.
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