State what do you observe when ethene is bubbled through a solution of bromine in tetrachloromethane (carbon tetrachloride).

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Solution

When ethene is bubbled through a solution of bromine in carbon tetrachloride, the orange colour of the solution slowly fades away and it decolourises.

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Similar questions

Q. State what you observe when:
(i) Neutral litmus solution is added to alkaline solution.
(ii) Ammonium hydroxide is added to iron (III) sulphate solution.
(iii) Lead nitrate and sodium chloride are mixed.
(iv) Ethane is bubbled through a solution of bromine in tetrachloromethane (carbon tetrachloride).
(v) Sulphur burns.

(a) Write an equation for the laboratory preparation of
(i) an unsaturated hydrocarbon from calcium carbide. (ii) an alcohol from ethyl bromide.
(b) What would you see, when ethyne is bubbled through a solution of bromine in carbon tetrachloride ?
(c) Name the addition product formed between ethene and water.

Q. (i) Write the equation for the laboratory preparation of ethyne (acetylene) from calcium carbide.
(ii) What is the special feature of the structure of ethyne?
(iii) What would you see when ethyne is bubbled through a solution of bromine in carbon tetrachloride?
(iv) Name the addition product formed between ethene and water.

Q. Equation for the reaction when compound

A

is bubbled through bromine dissolved in carbon tetrachloride is as follows :

A B r_{2} / C {C l}_{4} - ---------- \to \begin{matrix} C H_{2} B r | C H_{2} B r \end{matrix}

(i) Draw the structure of

A

.
(ii) State your observation during this reaction.

Q. What do you observe when ammonia gas is bubbled through red litmus solution?

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