Which one of the following complexes will consume more equivalents of aqueous solution of Ag(NO₃)?

Identify the correct trend given below : (Atomic No.=Ti : 22, Cr : 24 and Mo : 42)

For the reaction,
A(g) + B(g) $$ \to $$ C(g) + D(g), $$\Delta $$H^o and $$\Delta $$S^o are, respectively, − 29.8 kJ mol⁻¹ and −0.100 kJ K⁻¹ mol⁻¹ at 298 K. The equilibrium constant for the reaction at 298 K is :

The group of molecules having identical shape is :