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Grignard Reagents

C2H5-O-C2H5 +...

Question

$C_{2} H_{5} - O - C_{2} H_{5} + H I ? \to C_{2} H_{5} - O H + C_{2} H_{5} - I$
Identify the reaction condition, in which reaction occur.

High temperature

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High vaccum

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Cold

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None of the above

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Solution

The correct option is A High temperature
The cleavage of ethers takes places with concentration $H I$ or $H B r$ at high temperature.

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Similar questions

X

C_{2} H_{5} - O - C_{2} H_{5} + 4 P r e d p h o s p h o r u s \to 2 X + H_{2} O

C_{2} H_{5} - O - C_{2} H_{5} + C O B F_{3} / 150^{0} C \to X, h e r e " X " i s

O H^{-}

C H_{3} - C H | C_{2} H_{5} - B r

C H_{3} - B r | C | C_{2} H_{5} - C H_{3}

C H_{3} - C H | C_{2} H_{5} - C H_{2} B r

The data given below are for vapour phase reactions at constant pressure.

$C_{2} H_{6} \to {∙ C}_{2} H_{5} + ∙ H; Δ H = 420 k J m o l^{- 1}$

${∙ C}_{2} H_{5} \to C_{2} H_{4} + ∙ H; Δ H = 168 k J m o l^{- 1}$

The enthalpy change for the reaction for the given reaction is :

$2 {∙ C}_{2} H_{5} \to C_{2} H_{6} + C_{2} H_{4}$

C H_{3} - C H | C_{2} H_{5} - B r

C H_{3} - B r | C | C_{2} H_{5} - C H_{3}

C_{2} H_{5} - C H | C_{2} H_{5} - C H_{2} B r

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