हिंदी

Which of the following reactions is the metal displacement reaction? Choose the right option.

Advertisements
Advertisements

प्रश्न

Which of the following reactions is the metal displacement reaction? Choose the right option.

विकल्प

  • \[\ce{2Pb(NO3)2 ->2PbO + 4NO2 + O2 ↑}\]

  • \[\ce{2KClO3 ->[Δ] 2KCl + 3O2}\]

  • \[\ce{Cr2O3 + 2Al ->[Δ] Al2O3 + 2Cr}\]

  • \[\ce{Fe + 2HCl -> FeCl2 + H2↑}\]

MCQ
Advertisements

उत्तर

\[\ce{Cr2O3 + 2Al ->[Δ] Al2O3 + 2Cr}\]

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×