The critical point and triple point data for water are, $$T_c = 374^\circ C, P_c = 22.1 Mpa, T_T = 0.01^\circ C, P_T = 0.6 kPa$$ Indicate the phase change that will occur in following cases,
(i)Ice at 0.5 kPa is heated isobarically
(ii) Water vapour at $$400^\circ C$$ is compressed isothermally

A

(i) along AB, (ii) along CD

B

(i) along CD, (ii) along AB

C

(i) along OD, (ii) along PR

D

(i) along RD, (ii) along OR