Among the following statement which one is true?
(a) is less soluble than in water
(b) is stronger base and stronger reducing agent than
(c) has higher boiling point than and has lower melting point than
(d) is stronger reducing agent than and it has lower melting critical
(d) is a weak reducing agent than , because bond strength
decreases down the group. Due to absence of H-bonding, only weak van
der waals force of attraction exists in , it has lower critical
temperature than .