Qualification > Sciences

CHEM AND BIO HELP AND TIPS HERE

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buzywidbizworld:
hi
cud u also help me to ans this?
q- why should you be able to predict that metals such as iron and chromium have more thn one oxidation state?
wa8in 4 da reply.

Saladin:
i get confused. But, shrey is wrong. its to do wid electrons not reactivity.

~~~~shreyapril~~~~:
why cant we do it as i said????

Saladin:
2 buzy

its becasue they are transition metals.

Saladin:
Its a redox question u see. and redox questions ask about valence electrons. So reacticity is about displacement reactions. But this is redox. and anyways, u r wrong, as transition metals behave differently under different circumstances.

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