1.

I. Transitionmetal ionsare smallandhighlycharged. II. Transitionmetalionshave lowenergy orbitalsacceptsan electron pair. III. Metalliccarbidesare chemicallyinert . IV . Loweroxidesareacidicin nature .

Answer»

I , II and III only
I, IIand IV only
I ,III and IV
I , II , III and IV

ANSWER :A


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