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NEET 2011
Exam
NEET
Year
2011
Subject
Chemistry
Chapter
Some Basic Concepts of Chemistry

NEET 2011 · Chemistry · Some Basic Concepts of Chemistry

Which has the maximum number of molecules among the following?

Which has the maximum number of molecules among the following?

Options

  1. A44gCO244 \mathrm{gCO}_2
  2. B48gO348 \mathrm{gO}_3
  3. C8 gH28 \mathrm{~g} \mathrm{H}_2
  4. D64gSO264 \mathrm{gSO}_2

Correct answer

C. 8 gH28 \mathrm{~g} \mathrm{H}_2

Step-by-step solution

44gCO2=1 molCOCO2=NA44 \mathrm{gCO}_2=1 \mathrm{~mol} \mathrm{CO} \mathrm{CO}_2=N_A molecules of CO2\mathrm{CO}_2 48 gO3=1molO3=NA48 \mathrm{~g} \mathrm{O}_3=1 \mathrm{molO}_3=N_A molecules of O3\mathrm{O}_3 8 gH2=4 molH2=4×NA8 \mathrm{~g} \mathrm{H}_2=4 \mathrm{~mol} \mathrm{H}_2=4 \times N_A molecules of H2\mathrm{H}_2 64gSO2=1molSO2=NA64 \mathrm{gSO}_2=1 \mathrm{molSO}_2=N_A molecules of SO 2
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