A) + 3, + 5, + 4
B) + 4, + 3, + 5
C) + 3, + 4, + 5
D) + 5, + 3, + 4
Correct Answer: C
Solution :
\[{{H}_{4}}{{P}_{2}}{{O}_{6}}=4\times 1+2\times a-5\times 2=0\] \[a=+3\] \[{{H}_{4}}{{P}_{2}}{{O}_{6}}=4\times 1+2\times a-6\times 2=0\] \[a=+4\] \[{{H}_{4}}{{P}_{2}}{{O}_{7}}=4\times 1+2\times a-7\times 2=0\] \[a=+5\]You need to login to perform this action.
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