Logo
Home | Sitemap | Contact us | Search | Language
Select Your Theme
  Home >> Online-Test >> Chemistry >> Chemical Kinetics

Biology Test Home | Physics Test Home | Chemistry Test Home | Synonyms and Antonyms

Free Online Mock Chemistry Multiple Choice Test on Chemical Kinetics
Sub Category : Chemical Kinetics Test : 11 Time Left :
1) In the reaction, A+2B->C+2D, the initial rate-d[A]/dt at t=0 was found to be 2.6×10-2 m sec-1. What is the value of –d[B]/dt at t=0 in m sec-1? (1)2.6×10-2 (2)5.2×10-2 (3)1.0×10-1 (4)6.5 × 10-3.
  1 2 3 4
 
2) If the volume of closed vessel in which the following third order reaction is carried out 2NO(g)+O2(g)->2NO2(g) is reduced to one-third of the original volume, the rate of reaction becomes: (1)one-third (2)three times (3)nine times (4)twenty-seven times.
  1 2 3 4
 
3) How will the rate of reaction 2NO+O2->2NO2 change, if the volume of reaction vessel is doubled (1) it will diminish to ¼ of the initial value (2) it will diminish to 1/8 of the initial value (3) it will grow four times (4) it will grow eight times.
1 2 3 4
 
4) For the reaction A+2B->2C + D, the concentration A is kept constant and that of B is tripled, the rate of reaction will become (1) three times (2) six times (3) eight times (4) nine times.
1 2 3 4
 
5) For a chemical reaction Y2+2Z-> Product, rate controlling step is Y + 1/2 Z ->Q If the concentration of Z is doubled, the rate of reaction will (1) remain the same (2) become four times (3) become 1.414 times (4) become double.
1 2 3 4
 
     1  3  4  5
 
Home | Sitemap | Terms | Privacy Policy | Contact us |
  Language >> English |' Français | Español | Deutsch | Italiano | Portugues | Japanese | Korean | Sim-Chinese