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Which of the following chemical equations is unbalanced? A. N2 + 2H2 2NH3 B. 2H2 + O2 2H2O C. P4 + 5O2 P4O10 D. 4Na + O2 2Na2O
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3 votes
Which of the following chemical equations is unbalanced?

A. N2 + 2H2 2NH3
B. 2H2 + O2 2H2O
C. P4 + 5O2 P4O10
D. 4Na + O2 2Na2O

User Snoofkin
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1 Answer

4 votes
Answer is A.
There are 4 hydrogen on LHS while there are 6 on RHS.
The correct reaction is
N2 + 3H2 2NH3
This is known as Haber’s process which is used to make Ammonia(NH3).
Hope this helps :)
User Olabisi
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