defence exam ITBP (Telecommunication) Head Constable Mock Test 2024 Chemistry Some Basic Concepts of Chemistry
How many grams of SbF3 are needed to produce one gram of Freon-12(CCl2F2), according to the reaction represented by this equation?
2CCl4 + 2SbF3 → 3CCl2F2 + 2SbCl3
|
Substance |
Molar Mass |
|
SbF3 |
179 g mol-1 |
|
CCl2F2 |
121 g mol-1 |
1
0.667 g
2
0.986 g
3
1.50 g
4
2.22 g