What Is the Approximate Value of the Equilibrium Constant,K_n,for the Neutralization

Multiple Choice

What is the approximate value of the equilibrium constant,K_n,for the neutralization of hydrochloric acid with sodium hydroxide,shown in the equation below?
HCl(aq) + NaOH(aq) ⇌ H₂O(l) + NaCl(aq)

A) 1) 0 × 10²
B) 1) 0 × 10⁷
C) 1) 0 × 10¹⁴
D) 1) 0 × 10²⁸