AP EAMCET202021 Sep 2020Evening ShiftChemistryp Block Elements (Group 13 & 14)Actual
Which of the following mineral acids can attack ( SiO ₂ ) ?
Options
- AConc. ( HNO ₃ )
- B( H ₂ SO ₄ )
- CHF
- D( HCl )
Correct answer
C. HF
Step-by-step solution
Although hydrofluoric acid (HF) is a weak acid, it does attack silicates very effectively. For this reason, its primary laboratory use is to attack and dissolve silicate minerals. Hence, the correct option is (c).