What will be product when lithium aluminum hydride react with propanal?

C H_{3} - C H_{2} - C H_{2} - O H

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C_{6} H_{5} - C H_{2} - C H_{2} - O H

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C H_{3} - C H_{2} - C H_{2} - C H_{2} - O H

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None of these

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Solution

The correct option is A $C H_{3} - C H_{2} - C H_{2} - O H$
$L i A l H_{4}$ reduces aldehydes to alcohols. Hence, it reacts with propanal to gives propanol.
$C H_{3} - C H_{2} - C H_{2} - C H_{2} - C H O      p r o p a n a l L i A l H_{4} ⟶ C H_{3} - (C H_{2})_{3} - C H_{2} - O H      P r o p a n o l$

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Similar questions

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
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Q. Give the IUPAC name of the following compounds:

C H_{3} - C H_{2} - O H | C H - C H_{2} - C H_{2} - C H_{2} - C H_{2} - C H_{2} - C H_{2} - C H_{2} - C H_{2} - C H_{3} | C H - C H_{3}

Name the functional groups present in the following compounds: [5 MARKS]

1. ${CH}_{3} - {CH}_{2} - {CH}_{2} - OH$
2. ${CH}_{3} - {CH}_{2} - {CH}_{2} - COOH$
3. ${CH}_{3} - {CH}_{2} - CHO$
4. ${CH}_{3} - CO - {CH}_{2} - {CH}_{3}$
5. ${CH}_{3} - {CH}_{2} - CO-OH$

Q. Name the functional groups present in the following compounds.
(i)

{C H}_{2} - C O - C H_{2} - {C H}_{2} - {C H}_{2} - {C H}_{3}

(ii)

{C H}_{3} - C H_{2} - {C H}_{2} - C O O H

(iii)

{C H}_{3} {- C H}_{2} - {C H}_{2} - {C H}_{2} - C H O

(iv)

{C H}_{3} - {C H}_{2} - O H

C H_{3} - C H_{2} - O H | C H - C H_{2} - C H_{2} - C | H C H_{3} - C H_{2} - C H_{3}

The IUPAC name of the compound is:

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