Q46 / 170 · Manipal (MET) 2018 · Chemistry

Molisch test is given by

  • Correct answer
    A
    all carbohydrates
  • B
    fructose
  • C
    sucrose
  • D
    glucose

Solution

Molisch test is given by all carbohydrates. Molisch test : Carbohydrate solution $+10 \%$ alco. solution of $\alpha$-naphthol + conc. $\mathrm{H}_2 \mathrm{SO}_4$ along the side of test tube $\longrightarrow$ A reddish violet ring at the junction of two layers shows the presence of carbohydrate.

Hence, the correct answer is option: 'A'.

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