Manipal MET2019Chemistryp Block Elements (Group 13 & 14)
Ferric alum has the composition ( NH ₄ )₂ SO ₄ Fe ₂ ( SO ₄ )₃ x H ₂ O The value of x is
Options
- A7
- B24
- C6
- D15
Correct answer
B. 24
Step-by-step solution
( NH ₄ )₂ SO ₄ Fe ₂ ( SO ₄ )₃ 24 H ₂ O