For hydrogen gas, \[{{C}_{p}}-{{C}_{v}}=a,\] and for oxygen gas, \[{{C}_{p}}-{{C}_{v}}=b,\] so the relation between a and b is given by

• A. \[a=16b\]
• B. \[16b=a\]
• C. \[a=4b~\]
• D. a=b