Question

question 48 (0.0862 points)
which substance is most likely to be miscible with water?
cl₂
co₂
nh₃
none of these

Explanation:

Step1: Recall miscibility rule

Miscibility with water (polar, can H - bond) depends on polarity/H - bonding.

Step2: Analyze each substance

• $\ce{Cl2}$: Non - polar, no H - bonding. Not miscible.
• $\ce{CO2}$: Non - polar (linear, symmetric), no H - bonding. Not miscible.
• $\ce{NH3}$: Polar, can form H - bonds with water (H - bond between N - H of $\ce{NH3}$ and O - H of $\ce{H2O}$). So miscible.

Answer:

$\ce{NH3}$ (the option with $\ce{NH3}$)