Take few drops of onion juice, dilute vanilla essence and clove oil in three different test tubes and consider the following statements: 1. The characteristic smell of onion vanishes upon addition of…

Question

Take few drops of onion juice, dilute vanilla essence and clove oil in three different test tubes and consider the following statements: 1. The characteristic smell of onion vanishes upon addition of NaOH, however it persists with HCl. 2. The characteristic smell of vanilla is lost upon addition of HCl, however it persists with NaOH. 3. The characteristic smell of clove oil is lost upon addition of NaOH in it. How many of the statements given above are correct?

Testwala · Accepted Answer

Only two statements are correct.

Testwala · Answer

Explanation: Onion (an olfactory indicator) loses its smell in NaOH but keeps it in HCl, and clove oil loses its smell in NaOH. Vanilla loses its smell in basic medium, so as worded statement 2 is incorrect. Two statements are correct.

Answer: B. Only two statements are correct.

Explanation

Answer: B. Only two statements are correct.

Explanation