Q28 / 120 · NEET 2011 (Mains) · Chemistry

Which has the maximum number of molecules among the following?

  • A
    $44 \mathrm{gCO}_2$
  • B
    $48 \mathrm{gO}_3$
  • Correct answer
    C
    $8 \mathrm{~g} \mathrm{H}_2$
  • D
    $64 \mathrm{gSO}_2$

Solution

$44 \mathrm{gCO}_2=1 \mathrm{~mol} \mathrm{CO} \mathrm{CO}_2=N_A$ molecules of $\mathrm{CO}_2$ $48 \mathrm{~g} \mathrm{O}_3=1 \mathrm{molO}_3=N_A$ molecules of $\mathrm{O}_3$ $8 \mathrm{~g} \mathrm{H}_2=4 \mathrm{~mol} \mathrm{H}_2=4 \times N_A$ molecules of $\mathrm{H}_2$ $64 \mathrm{gSO}_2=1 \mathrm{molSO}_2=N_A$ molecules of SO 2

Hence, the correct answer is option: 'C'.

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