JEE Main Chemistry question

If K₁ and K₂ are equilibrium constants for reactions (I) and (II) respectively, N₂+O₂⇌2NO...(I); ½N₂+½O₂⇌NO...(II). Then:

• (A)K₂=K₁
• (B)K₂=√K₁Correct
• (C)K₁=2K₂
• (D)K₁=½K₂