JEE Main 2024 Chemistry question
The incorrect postulates of the Dalton's atomic theory are: (A) Atoms of different elements differ in mass. (B) Matter consists of divisible atoms. (C) Compounds are formed when atoms of different element combine in a fixed ratio. (D) All the atoms of given element have different properties including mass. (E) Chemical reactions involve reorganisation of atoms. Choose the correct answer from the options given below:
Answer: (D)
Solution
Dalton assumed atoms are indivisible and that all atoms of an element are identical, so (B) and (D) are incorrect.