Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa
  • Home
  • Medical
  • A compound formed by the elements X and Y has a cubic structure in which X atoms are at the corners of the cube and Y atoms are at the face centres. One atom X is missing from the corner. Calc

A compound formed by the elements X and Y has a cubic structure in which X atoms are at the corners of the cube and Y atoms are at the face centres. One atom X is missing from the corner. Calculate the formula of the compound.

Option: 1

XY_3


Option: 2

X_7Y_{24}


Option: 3

X_8Y_{17}


Option: 4

X_1_3Y_1_7


Answers (1)

best_answer

Since one X atom is missing

Thus, the number of effective X atoms

= 7 corners x 1/8 per corner atom share  

=   \frac{7}{8} atoms/unit cell

 

Again, number of Y atoms

= 6 faces x 1/2 per face atom share      

= 3 atoms/unit cell

 

Since the formula of the compound is equal to the number of X atoms and Y atoms.

Thus, the formula of the compound is  X_\frac{7}{8}Y_3

Hence, on simplification, we have  X_7Y_2_4 
 
Therefore, ?Option(2) is correct 

Posted by

chirag

View full answer

NEET 2024 Most scoring concepts

    Just Study 32% of the NEET syllabus and Score up to 100% marks

Similar Questions

Trending Articles/News

anam-khan

17 left in NEET toppers list 2024 as physics question strips 44 of top ranks
anam-khan

NEET Revised Result 2024: Joy and disappointment as all-India ranks change by thousands of places
anam-khan

NEET UG 2024 cut-offs drop for all categories; final scorecard out at neet.ntaonline.in

Latest Question