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Compounds of Pnictogens-Trends

White arsenic...

Question

White arsenic has the chemical composition :

A s_{2}

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A s_{4}

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A s_{2} O_{5}

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A s_{2} O_{3}

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Solution

The correct option is D $A s_{2} O_{3}$
$A s_{2} O_{3} (A s_{4} O_{6})$ is white arsenic and it is very toxic.

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Similar questions

A s_{2} O_{3}

A s_{2} O_{5}

20.10

0.05 N

K I

1.1113

(N a_{2} S_{2} O_{3} .5 H_{2} O)

A s_{2} O_{3} + 2 I_{2} + 2 H_{2} O ⟶ A s_{2} O_{5} + 4 H^{+} + 4 I^{-}

A s_{2} O_{5} + 4 H^{+} + 4 I^{-} ⟶ A s_{2} O_{3} + 2 I_{2} + 2 H_{2} O

{A s}_{4} O_{6} + {S n C l}_{2} + H C l \to {A s}_{4} + {S n C l}_{4} + H_{2} O

Fill in the blanks:

1. The loss of water from the plants is known as _______.

2. Nervous system is absent in _______ and _______.

3. Response to the stimulus of touch is called _______ whereas response to the stimulus of chemicals is called as _______.

4. Brain is the main _______ centre of the body.

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