# NEET Chemistry Chemical Kinetics Questions Solved

Thermal decomposition of a compound is of first order . If 50 % of a sample of the compound is decomposed in 120 minutes , show how long will it take for 90 % of the compound to decompose

(A) 399 min

(B) 410 min

(C) 250 min

(D) 120 min

Difficulty Level:

• 34%
• 34%
• 24%
• 10%