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For the reaction N_2 O_5( g) → 2 NO_2( g)+(1 / 2) O_2( g) the value of rate of disappearance of N_2 O_5 is given as 6.25 × 10^-3 ~mol ~L^-1 ~s^-1.…

NEET UG 2010 — Chemistry Physical Chemistry

2010mcqhard

For the reaction N2O5(g)→2NO2(g)+(1/2)O2(g)\mathrm{N}_2 \mathrm{O}_5(\mathrm{g}) \rightarrow 2 \mathrm{NO}_2(\mathrm{g})+(1 / 2) \mathrm{O}_2(\mathrm{g})N2​O5​(g)→2NO2​(g)+(1/2)O2​(g) the value of rate of disappearance of N2O5\mathrm{N}_2 \mathrm{O}_5N2​O5​ is given as 6.25×10−3 mol L−1 s−16.25 \times 10^{-3} \mathrm{~mol} \mathrm{~L}^{-1} \mathrm{~s}^{-1}6.25×10−3 mol L−1 s−1. The rate of formation of NO2\mathrm{NO}_2NO2​ and O2\mathrm{O}_2O2​ is given respectively as

Official previous-year question

Held on 30 Apr 2010 · Verified 9 Jul 2026.

Options

  1. A

    6.25×10−3 mol L−1 s−16.25 \times 10^{-3} \mathrm{~mol} \mathrm{~L}^{-1} \mathrm{~s}^{-1}6.25×10−3 mol L−1 s−1 and 6.25×10−3 mol L−1 s−16.25 \times 10^{-3} \mathrm{~mol} \mathrm{~L}^{-1} \mathrm{~s}^{-1}6.25×10−3 mol L−1 s−1

  2. B

    1.25×10−2 mol L−1 s−11.25 \times 10^{-2} \mathrm{~mol} \mathrm{~L}^{-1} \mathrm{~s}^{-1}1.25×10−2 mol L−1 s−1 and 3.125×10−3 mol L−1 s−13.125 \times 10^{-3} \mathrm{~mol} \mathrm{~L}^{-1} \mathrm{~s}^{-1}3.125×10−3 mol L−1 s−1

  3. C

    6.25×10−3 mol L−1 s−16.25 \times 10^{-3} \mathrm{~mol} \mathrm{~L}^{-1} \mathrm{~s}^{-1}6.25×10−3 mol L−1 s−1 and 3.125×10−3 mol L−1 s−13.125 \times 10^{-3} \mathrm{~mol} \mathrm{~L}^{-1} \mathrm{~s}^{-1}3.125×10−3 mol L−1 s−1

  4. D

    1.25×10−2 mol L−1 s−11.25 \times 10^{-2} \mathrm{~mol} \mathrm{~L}^{-1} \mathrm{~s}^{-1}1.25×10−2 mol L−1 s−1 and 6.25×10−3 mol L−1 s−16.25 \times 10^{-3} \mathrm{~mol} \mathrm{~L}^{-1} \mathrm{~s}^{-1}6.25×10−3 mol L−1 s−1

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