Single Choice

The element that usually does not show variable oxidation states is :

AV
BTi
CSc
Correct Answer
DCu

Solution

Usually, Sc (Scandium) does not show variable oxidation states.
Most common oxidation states of :
i) Sc : +3
ii) V : +2, +3, +4, +5
iii) Ti : +2, +3, +4
iv) Cu : +1, +2

SIMILAR QUESTIONS

d - block and f - block Elements

Compounds of which of the following transition elements do not exhibit an oxidation state of +3?

d - block and f - block Elements

Mercurous ion is represented as:

d - block and f - block Elements

The element that acts as a good catalyst for several reactions has a atomic number:

d - block and f - block Elements

Which of the following statements about $$Na_2O_2$$ is not correct?

d - block and f - block Elements

Which one of the following exhibits the largest number of oxidation states?

d - block and f - block Elements

In context with the transition elements, which of the following statements is incorrect?

d - block and f - block Elements

Which one of the following species is stable in aqueous solution

d - block and f - block Elements

Iron exhibits +2 and +3 oxidation states. Which of the following statements about iron is incorrect?

d - block and f - block Elements

The correct statement(s) about $$\displaystyle Cr^{2+}$$ and $$\displaystyle Mn^{3+}$$ is(are): $$\displaystyle \mathrm {\left [ Atomic\ numbers\ of\ Cr = 24\ and\ Mn = 25 \right ]}$$

d - block and f - block Elements

The oxidation number of Mn in the product of alkaline oxidative fusion of $$MnO_{2}$$ is:

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