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Stoichiometry

Write the equ...

Question

Write the equation for the following :
Calcium carbide & water
Ethene and water (steam)
Bromoethane and an aqueous solution of sodium hydroxide

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Solution

$C a C_{2} + 2 H_{2} O ⟶ C a (O H)_{2} + C_{2} H_{2}$
Calcium carbide reacts with water to form calcium hydroxide (slaked lime).
$C H_{2} = C H_{2} + H_{2} O △ - \to H - C H_{2} - C H_{2} - O H$
When ethene reacts with water, it forms ethyl alcohol as a product.
$C_{2} H_{5} - B r + N a O H S N 2 - - \to C_{2} H_{5} - O H$
When ethyl bromide reacts with NaOH, it follows $S N 2$ mechanism to form ethyl alcohol.
Ethyl bromide follows $S N 2$ mechanism because ethyl bromide is a primary alkyl halide.

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