In the Rutherford scattering experiment, the number of α particles scattered at an angle θ=60∘ is 12 per min. The number of α particles per minute when scattered at an angle of 90 ∘ is

The radius of a nucleus of nucleon number 16 is 3 × 1015 m. What is the radius of a nucleus with nucleon number 128?

List-I contains various reaction sequence and List-II contains different phenolic compounds. Match each entry in List-I with the appropriate entry in List-II and choose the correct option. (IIT Adv 2024 Paper-1)

List-I contains various reaction sequence and List-II contains the possible products. Match each entry in List-I with the appropriate entry in List-II and choose the correct option. (IIT Adv 2024 Paper-1)

 

Among the following complexes, the total number of diamagnetic species is _______. [Mn(NH3)6] 3+, [MnCl6] 3 , [FeF6] 3 , [CoF6] 3 , [Fe(NH3)6] 3+ and [Co(en)3] 3+ [Given, atomic number: Mn = 25, Fe = 26, Co = 27; en = H2NCH2CH2NH2] (IIT Adv 2024 Paper-1)