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Ozonolysis

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Question

Complete the following reaction :
$C H_{3}$ - CH = $C H_{2}$ $_{3}$ (A) $Z n + H_{2} O \to$ (B)

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Solution

(A) is Propene ozonide and (B) is ethanal and methanal mixture.It is an example of reductive ozonolysis. The products are formaldehdye and acetaldehyde. Zinc dust prevents the oxidation of aldehdyes (with hydrogen proxide) to carboxylic acids.

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Similar questions

Q. Complete the following reactions:

C H_{3} - C H = C H_{2} + H B r p e r o x i d e \to ?

H_{2} C = C H - C H_{3} + H B r \to ?

Q. The reaction of propene with

H O C l (C l_{2} + H_{2} O)

proceeds through the intermediate:

Q. Match the column

A, B

C

Reactabts $(A)$	Products $(B)$	Name of the reaction $(C)$
$C H_{3} - C H_{3} + C l_{2}$	$C O_{2} + H_{2} O$	Addition reaction
$C_{2} H_{6} + O_{2}$	$C H_{2} = C H_{2}$	Thermal cracking
$_{n} C H_{2} = C H_{2}$	$C H_{2} = C H_{2} + C H_{4}$	Substitution reactions
$C H_{3} - C H_{2} - C H_{3}$	$C H_{3} - C H_{2} C l + H C l$	Polymerisation
$C H \equiv C H + H_{2}$	$[- C H_{2} - C H_{2} -]_{n}$	Combustion

Q. Complete the following reactions :
i)

R - C H_{2} - O H C u - -- \to 573 K . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

C H_{3} - C H = C H_{2} + H_{2} O^{+} . . . . . . . . . . . . . . . . . . . . . . . . . . .

Q. Identify the type of the following reaction of carbon compounds.
a. CH₃ -CH₂ -CH₂-OH → CH₃ -CH₂ -COOH
b. CH₃ -CH₂ -CH₃ → 3CO₂ + 4H₂O
c. CH₃ -CH = CH -CH₃ + Br₂ → CH₃ -CHBr - CHBr -CH₃
d. CH₃ -CH₃ + Cl₂→ CH₃ -CH₂ -Cl + HCl
e. CH₃-CH₂ -CH₂ -CH₂ -OH → CH₃ -CH₂ -CH=CH₂ + H₂O
f. CH₃-CH₂ -COOH + NaOH → CH₃ -CH₂ -COO - Na⁺ + H₂O
g. CH₃ -COOH + CH₃ -OH → CH₃ -COO- CH₃ + H₂O

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