Assertion : Pure N2 is formed from Ba(N3)2.
Reason : Thermal decomposition of NaN3 is used to inflate the air bags used for safety devices in some cars.
(a) Both A and R are true and R is the correct explanation of A
(b) Both A and R are true but R is not correct explanation of A
(c) A is true but R is false
(d) A and R are false