Which of the following reactant give Tollens reagent and Fehlings solution test?

Question

Which of the following reactant give Tollens reagent and Fehlings solution test? (A) CH3CHO (B) CH3COOH (C) CH3- underset overset||OC-CH3 (D) CH3-CH2COOH

Tardigrade Admin · Accepted Answer

Acetaldehyde give both Tollen's reagent and Fehling's solution test Acetaldehyde reduce Tollen's reagent to give silver mirror.

C H_{3} - C H = O + 2 [A g (N H_{3})_{2}]^{+} + 3 O H^{-}

\to C H_{3} COO H + silver mirror 2 A g + 4 N H_{3} + H_{2} O

and acetaldehyde reduce fehling solution to red cuprous oxide.

C H_{3} C H O + (Fehling solution) 2 C u^{+ 2} + 5 O H^{-} ⟶ C H_{3} COO H

+ red p.pt (cuprous oxide) C u_{2} O ↓ + 3 H_{2} O

Q. Which of the following reactant give Tollens reagent and Fehlings solution test?

$C H_{3} C H O$

$C H_{3} COO H$

$C H_{3} - O ∣∣ C - C H_{3}$

$C H_{3} - C H_{2} COO H$

Q. Which of the following reactant give Tollens reagent and Fehlings solution test?

CH3​CHO

CH3​COOH

CH3​−O∣∣C​−CH3​

CH3​−CH2​COOH

$C H_{3} C H O$

$C H_{3} COO H$

$C H_{3} - O ∣∣ C - C H_{3}$

$C H_{3} - C H_{2} COO H$