NTA JEE Mains 28th Jan 2025 Shift 2

Electrolysis of 600 mL aqueous solution of NaCl for 5 min changes the pH of the solution to 12 . The current in Amperes used for the given electrolysis is ____. (Nearest integer).

A group 15 element forms $$d\pi-d\pi$$ bond with transition metals. It also forms hydride, which is a strongest base among the hydrides of other group members that form $$d\pi-d\pi$$ bond. The atomic number of the element is ____.

Total number of molecules/species from following which will be paramagnetic is ______
$$O_{2}$$, $$O_2^+$$, $$O_2^-$$, $$NO$$, $$NO_{2}$$, $$CO$$, $$K_{2}[NiCl_{4}]$$, $$[Co(NH_{3})_{6}]Cl_{3}$$, $$K_{2}[Ni(CN)_{4}]$$

Consider the following data : Heat of formation of $$CO_{2}$$(g)= -393.5 kJ $$mol^{-1}$$ Heat of formation of $$H_{2}0$$(l) = - 286.0 kJ $$mol^{-1}$$ Heat of combustion of benzene =-3267.0 kJ $$mol^{-1}$$ The heat of formation of benzene is _ . (Nearest integer)

The spin only magnetic moment ( $$\mu$$) value (B.M.) of the compound with strongest oxidising power among $$Mn_{2}O_{3},$$ TiO and VO is ____ B.M. (Nearest integer).