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Some Basic Concepts of Chemistry question

2019 · 10 Apr · Shift 2 · Q9
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Some Basic Concepts of Chemistry question

2019 · 10 Apr · Shift 2 · Q9

JEE MainChemistrySome Basic Concepts of ChemistryMCQ+4 / −1
The minimum amount of O2O_2O2​(g) consumed per gram of reactant is for the reaction : (Given atomic mass : Fe = 56, O = 16, Mg = 24, P = 31, C = 12, H = 1)
  1. A
    4FeFeFe(s) + 3O2O_2O2​(g) →\to→ 2Fe2O3Fe_2O_3Fe2​O3​(s)
  2. B
    P4P_4P4​(s) + 5O2O_2O2​(g) →\to→ P4O10P_4O_{10}P4​O10​(s)
  3. C
    C3H8C_3H_8C3​H8​(g) + 5O2O_2O2​(g) →\to→ 3CO2CO_2CO2​(g) + 4H2OH_2OH2​O(l)
  4. D
    2MgMgMg(s) + O2O_2O2​(g) →\to→ 2MgOMgOMgO(s)
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