Consider a reaction A(g)→3B(g)+2C(g) with rate constant is 1.386×10−2min⁡−1 in a non-rigid closed container starting with 2 moles of A in 12.5 L vessel initially, if reaction is allowed to take place at constant pressure and at 298 K the conc. of B after 100 min is

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0.18 M

0.03 M

0.09 M

None of these

answer is D.

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Detailed Solution

A→3B+2CRate=KA =1.386×10-2×212.5 =2.2176×10-3mol.L-1min-1 Rate= 13×dBdt 2.2176×10-3=13×dB100 Bt=0.665M

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