What will be the value of ? for a solid of which? has a value of 2 × 10-5 k-1

A ) 2 x 10-⁵ K-¹

B ) 6×10-⁵ k-¹ ✅

C ) 4× 10-⁵k-¹

D ) 8× 10-⁵ k-¹