Which of the following is a trace element?

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Solution

The correct option is D
Cu

Trace elements are nutrients that are utilized by the plants in small quantities. They are also called micronutrients. Fe, Mg, Zn, Cu are some examples of trace elements.

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Similar questions

M g^{2 +} / M g

- 2.37 V

C u^{2 +} / C u

0.337

E_{c e l l}^{o}

M g + C u^{2 +} \to M g^{2 +} + C u

M g + C u^{2 +} \to M g^{2 +} + C u

{MgSO}_{4} (aq) + Cu (s) \underset{}{\to} {CuSO}_{4} (aq) + Mg (s)

{CuSO}_{4} (aq) + Fe (s) \underset{}{\to} {FeSO}_{4} (aq) + Cu (s)

{MgSO}_{4} (aq) + Fe (s) \underset{}{\to} {FeSO}_{4} (aq) + Mg (s)

M g^{2 +} (a q) + 2 e^{-} \to M g (s); E^{0} = - 2.36 V

C u^{2 +} (a q) + 2 e^{-} \to C u (s); E^{0} = 0.34 V

M g + C u O \to M g O + C u