Question

2. In which of the following substance, the inter particle force of attraction are the strongest? a sodium chloride b hydrogen c water d carbon dioxide

Answer 1

Answer:

b ) hydrogen

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Answer 2

(i) Sodium Chloride has the strongest force of attraction as it is solid

(ii) Water has weaker than sodium chloride because it is liquid

(iii) Carbon Dioxide and hydrogen also and weaker among all because it is gas

*Solid has greatest force of attraction because inter molecular particles are closely packed and inter molecular space is less

*Inter molecular space in liquid is greater than solid, so the force of attraction is less

*Gas has the inter molecular particles with greater space,  the force of attraction in gas lesser than liqiud

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