H2S gas is used in qualitative analysis of inorganic cations. Its solubility in water at STP is 0.195 mol Kg-1. Thus, Henry's law constant (in atm molal-1) for H2S is

see full answer

Talk to JEE/NEET 2025 Toppers - Learn What Actually Works!

Real Strategies. Real People. Real Success Stories - Just 1 call away

An Intiative by Sri Chaitanya

2.628×10-4

5.128

0.185

3.826×103

answer is B.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

By Henry's law, p=KH χ=KH S (where, S = solubility) ∴KH=pS=1 atm0.195 mol kg-1 =5.128 atm kg mol-1

Watch 3-min video & get full concept clarity