Given below are the statements about diborane

(a) Diborane is prepared by the oxidation of NaBH₄ with I₂

(b) Each boron atom is in sp² hybridized state

(c) Diborane has one bridged 3 centre-2-electron bond

(d) Diborane is a planar molecule

The option with correct statements is :

Which one of the following group-15 hydride is the strongest reducing agent?

Match List-I with List-II :


Choose the correct answer from the options given below :

The set having ions which are coloured and paramagnetic both is :