Single Choice

Few simple chemical tests are given below to differentiate between the pairs of compounds. Which of the following tests is not correct for differentiation?

APropanal and propanone - Silver mirror test
BAcetophenone and benzophenone - Iodoform test
CEthanal and propanal - Fehling's test
Correct Answer
DBenzoic acid and ethyl benzoate - Sodium bicarbonate test

Solution

Both ethanal and propanal will give silver mirror test and red precipitate with Fehling's solution.

They can be differentiated by iodoform test.

Option C is correct.

SIMILAR QUESTIONS

Physical World

When acetaldehyde is heated with Fehling's solution, it gives a precipitate of:

Physical World

When acetaldehyde is heated with Fehling's solution, it gives a precipitate of:

Physical World

What is the test to differentiate between pentan-2-one and pentan-3-one?

Physical World

The compound which reacts with Fehling's solution is:

Physical World

Fill in the blanks. Fehling solution A consists of an aqueous solution of copper sulphate. While Fehling solution B consists of an alkaline solution of ..........

Physical World

A substance $$C_5H_{10}$$ does not reduce Fehling's solution, forms a phenylhydrazone, shows the haloform reaction, and can be converted into n-pentane by strong reduction. The structural formula of the original substance is:

Physical World

Which of the following will not reduce Fehling's solution?

Physical World

An organic compound $$'A'$$ with molecular formula $$C_8H_8O_2$$ gives positive $$DNP$$ and iodoform test. It does not reduce Tollens or Fehling's reagent and does not decolourised bromine water also. On oxidation with chromic acid $$(H_2CrO_4)$$, it gives a carboxylic acid $$(B)$$ with molecular formula $$C_7H_6O_2$$. Deduce the structures of $$A$$ and $$B$$.

Physical World

Name the aldehyde which does not give Fehling's solution test.

Physical World

Which of the following compounds will reduce Fehling's solution?

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