3. During discharging of lead-storage acid batteryfollowing reaction takes placePb(s) + PbO2 (s) + 2H2SO.2PbSO 4(s) + 2H2O4If 2.5 A of current is drawn for 965 min, H,SO4consumed is(a) 0.75 mol(c) 1.50 mol(b) 3.00 mold) 4.50 mol

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During discharging of lead-storage acid battery following reaction takes place:

P b (s) + P b O_{2} (s) + 2 H_{2} S O_{4} \to 2 P b S O_{4} (s) + 2 H_{2} O

If 2.5 amp of current is drawn for 965 minutes, $H_{2} S O_{4}$ consumed is:

P b (s) + P b O_{2} + 2 H_{2} S O_{4} (a q) \to 2 P b S O_{4} (s) + 2 H_{2} O

1.25 A

H_{2} S O_{4}

N_{2} (g) + 3 H_{2} (g) \to 2 N H_{3} (g)

In a reaction carried out at 400 K, 0.01% of the total number of collisions is effective. The energy of activation of the reaction is

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