When enthalpy and entropy change for a chemical reaction are –2.5 × 103 cal and 7.4 cal deg–1 respectively. Predict the reaction at 298 K is [AFMC 1998; MH CET 1999; CBSE PMT 2000]
(1) Spontaneous
(2) Reversible
(3) Irreversible
(4) Non-spontaneous