What is the use of thistle funnel in the preparation of chlorine gas?

To add manganese dioxide

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To add hydrochloric acid

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To add water

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For the discharge of chlorine gas

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Solution

The correct option is B To add hydrochloric acid
Thistle funnel is used in the laboratory to add small volumes of liquid. In the preparation of chlorine gas, manganese dioxide is taken in the flask and concentrated hydrochloric acid is added through a thistle funnel.

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Similar questions

F e

Chlorine is prepared in the laboratory by treating manganese dioxide (MnO₂) with aqueous hydrochloric acid according to the reaction

4HCl₍_aq₎ + MnO₂₍_s₎ → 2H₂O₍_l₎ + MnCl₂₍_aq₎ + Cl₂₍_g₎

How many grams of HCl react with 5.0 g of manganese dioxide?

M O_{2})

M n O_{2} + 4 H C l \to M n C l_{2} + C l_{2} + 2 H_{2} O

5 g M n O_{2}

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