Write the name of the metal nanoparticle used to remove E. coli bacteria from water.
Mention the number of unpaired electrons and geometry of the following complexes:
(i) \([NiCl_4]^{2-}\)
(ii) \([Ni(CN)_4]^{2-}\)
Convert the following:
(a) Ethanenitrile into ethanal.
(b) Cyclohexane into adipic acid.