For the given reactions `SiO_(2) +4HF rarr SiF_(4) +2H_(2)O, DeltaH =- 10.17 kcal` `SiO_(2) +4HCI rarr SiCI_(4) +2H_(2)O, DeltaH = 36.7 kcal` It may be concluded thatA. HF and HCl both will react with silicaB. Only Hf will react with silicaC. Only HCl will react with silicaD. Neither HF nor HCl will react with silica

For the given reactions `SiO_(2) +4HF rarr SiF_(4) +2H_(2)O, DeltaH =-

1.	For the given reactions `SiO_(2) +4HF rarr SiF_(4) +2H_(2)O, DeltaH =- 10.17 kcal` `SiO_(2) +4HCI rarr SiCI_(4) +2H_(2)O, DeltaH = 36.7 kcal` It may be concluded thatA. HF and HCl both will react with silicaB. Only Hf will react with silicaC. Only HCl will react with silicaD. Neither HF nor HCl will react with silica
Answer» Correct Answer - B Exothermic reactions are spontaneous.

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