1. Tardigrade
  2. Question
  3. Chemistry
  4. Two elements A and B which form 0.15 moles of A 2 B and AB 3 type compounds. If both A 2 B and AB 3 weigh equally, then the atomic weight of A is times of atomic weight of B.

Question Error Report

Thank you for reporting, we will resolve it shortly

Back to Question

Q. Two elements A and B which form $0.15$ moles of $A _{2} B$ and $AB _{3}$ type compounds. If both $A _{2} B$ and $AB _{3}$ weigh equally, then the atomic weight of $A$ is_______ times of atomic weight of B.

JEE MainJEE Main 2022The Solid State

Solution:

Given: Molar mass of $A _{2} B = AB _{3}$
image
$\Rightarrow A =2 B$
$\therefore$ atomic wt. of $A$ is $2$ times of atomic wt. of $B$ Integer answer is $2$