Practicing Success
Practicing Success
CUET Preparation Today
A first order reaction is 20% complete in 10 minutes. Calculate the time taken for the reaction to go to 80% completion. |
62.18 min 82.18 min 72.18 min 52.18 min |
72.18 min |
k = \(\frac{2.303}{t}\)log\(\frac{a}{a-x}\) k = \(\frac{2.303}{10}\)log\(\frac{100}{100-20}\) = 0.0223 min-1 0.0223 = \(\frac{2.303}{t}\)log\(\frac{100}{100-80}\) = 72.18 min |
