Mark the following statements as true or false
(i) Ordinary hydrogen is a mixture of $75$ % ortho and $25$ % para- forms
(ii) All the four atoms of moleculle of $H_{2} O_{2}$ lie in the same plane.
(iii) Hydrogen peroxide is neutral like water.
(iv) $H_{2} O_{2}$ can be prepared from $B a O_{2}$ but not from $M n O_{2}$ and $P b O_{2}$

(i)

and

(i v) -

true

(i i)

and

(i i i)

- false

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(i)

and

(i i) -

true

(i v)

and

(i i i) -

false

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(i i i)

and

(i v) -

true

(i i)

and

(i i) -

false

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(i)

and

(i i i) -

true

(i i)

and

(i v) -

false

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Solution

The correct option is C $(i)$ and $(i v) -$ true $(i i)$ and $(i i i)$ - false
All four atoms of $H_{2} O_{2}$ do not lie in the same plane. one $H$ and $2 O$ atoms lie in the same plane. The remaining H atom lies in another plane.
Hydrogen peroxide is slightly acidic in nature. It reacts with bases to form salt.
$H_{2} O_{2} + N a_{2} C O_{3} \to N a_{2} O_{2} + H_{2} O + C O_{2}$

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