What is the stoichiometric coefficient fo Ca in the reaction ?
`Ca+Al^(3+) rarr Ca^(2+)+Al`
A. 2
B. 1
C. 3
D. 4
`Ca+Al^(3+) rarr Ca^(2+)+Al`
A. 2
B. 1
C. 3
D. 4
Lost your password? Please enter your email address. You will receive a link and will create a new password via email.
Please briefly explain why you feel this question should be reported.
Please briefly explain why you feel this answer should be reported.
Please briefly explain why you feel this user should be reported.
Correct Answer – C
`[Ca rarr Ca^(2+)+2e^(-)]xx3`
`[Al^(3+)+3e^(-) rarr Al]xx2`
`3Ca rarr 3Ca^(2+)+6e^(-)`
`2Al^(3+)+6e^(-) rarr 2Al`
`bar(3Ca+2 Al^(3+) rarr 3 Ca^(2+)+2 Al)`
Therefore, the stoichiometric coefficient of Ca in the given reaction is 3.