Choose the INCORRECT statement about the most common oxidation state of transition elements.
A) For Ti,it is +4.
B) For Sc,it is +2.
C) For V,it is +5.
D) For Cr,it is +6.
E) For Mn,it is +7.
Correct Answer:
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Q4: The atomic radius of Ru is approximately
Q5: The high melting points of transition elements
Q6: Choose the INCORRECT statement about the transition
Q7: Metallurgy is the general study of metals.
Q8: Lanthanides are also called rare earth elements.
Q10: For the reaction
2 Mg(s)+ O2(g)→ 2 MgO(s)
a
Q11: Choose the INCORRECT statement about the first
Q12: Pig iron comes from the blast furnace.
Q13: The lanthanide contraction is due to the
Q14: Choose the INCORRECT statement about the transition
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