Choose the correct arrangement of the following substances in the increasing order of the forces of attraction between their particles:
Chocolate syrup, Hydrogen gas, Iron rod
* Force of attraction between solid particles is greater than liquid particles. Also, the force of attraction between liquid particles is greater than the gaseous particles.
* Here, iron rod is solid, chocolate syrup is liquid while hydrogen is a gas.
* So, the iron rod has a greater force of attraction between their particles, than chocolate syrup which has greater force of attraction than hydrogen.
Thus, the correct order of increasing force of attraction between particles would be hydrogen gas < chocolate syrup < iron rod.