Which of the following species has been oxidized?
$M g (O H)_{2 (a q)} + 2 N a_{(s)} \to M g_{(s)} + 2 N a O H_{(a q)}$

M g^{+ 2}

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N a

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M g

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O H^{-}

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Solution

The correct option is B $N a$
$N a$ is oxidised here, It's oxidation state changes from $0$ to $+ 1$ .

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Similar questions

Q. The correct order of atomic radii for the following isoelectronic species

F^{-}, O^{2 -}, N a^{+}, M g^{2 +}

is:

Q. Among the following, the isoelectronic species is/ are:
(i)

O^{2 -}, F^{-}, N a^{+}, M g^{2 +}

(ii)

N a^{+}, M g^{+}, A l^{3 +}, F^{-}

(iii)

N^{3 -}, O^{2 -}, F^{-}, N e

Q. Which of the following species are isoelectronic?

i) N e i i) O^{2 -} i i i) M g^{2 +} i v) F

v) A l^{3 +} v i) C l^{-} v i i) K v i i i) N a

The standard reduction potentials at $25^{0}$ C of $L i^{+}$ /Li , $B a^{2 +}$ /Ba , $N a^{+}$ /Na and $M g^{2 +}$ /Mg are -3.05 , -2.73 , -2.71 and -2.37 volt respectively. Which one of the following is the strongest oxidizing agent?

Q. Which one of the following set of ions represents the collection of isoelectronic species?
[Atomic numbers: F = 9; Cl = 17; Na = 11; Mg = 12; Al = 13; K = 19; Ca = 20; Sc = 21]

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Which of the following species has been oxidized?Mg(OH)2(aq)+2Na(s)→Mg(s)+2NaOH(aq)

The correct option is B NaNa is oxidised here, It's oxidation state changes from 0 to +1.

Which of the following species has been oxidized?
$M g (O H)_{2 (a q)} + 2 N a_{(s)} \to M g_{(s)} + 2 N a O H_{(a q)}$

The correct option is B $N a$
$N a$ is oxidised here, It's oxidation state changes from $0$ to $+ 1$ .