2. Questions Bank
  3. 12th Class
  4. Chemistry
  5. The Solid State / ठोस प्रावस्था

12th Class Chemistry The Solid State / ठोस प्रावस्था Question Bank MCQs - The Solid State

  • question_answer
    A compound is formed by two elements A and B. The atoms A are at the corners of the cube and atoms B are at the centre of the body. The simplest formula of the compound is

    A) \[A{{B}_{2}}\]

    B) \[A{{B}_{4}}\]

    C) AB

    D) \[{{A}_{2}}B\]

    Correct Answer: C

    Solution :

    [c]
    The atoms ‘A’ are at corners of cube.
    Each contributes one eighth of the unit cell.
    \[\therefore \] Total number of A atoms \[=8\times \frac{1}{8}=1\]
    The ‘B’ atoms are at centre of body.
    The atom contributes fully to unit cell.
    Total contribution = 1
    So, the formula of the compound \[=AB.\]


You need to login to perform this action.
You will be redirected in 3 sec spinner