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Suhana takes three beakers, A, B and C ...

Suhana takes three beakers, A, B and C filled with aqueous solutions of glucose, alcohol and hydrochloric acid repectively as shown in the following figure.

Which of the following statement is true if alcohol is replaced with NaOH solution:

A

bulb glows in alcohol but not in NaOH solution.

B

bulb will glow in NaOH solution but not in alcohol.

C

bulb does not glow in alcohol and neither will it glow in NaOH solution.

D

bulb glows in NaOH solution as well as in alcohol.

Text Solution

Verified by Experts

The correct Answer is:
B
After replacement, bulb glows sin in B as NaOH solution contains `Na^(+)` and `OH^(-)` ions, which are responsible for electrical conductivity.
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OSWAL PUBLICATION-ACIDS, BASES AND SALTS-CASE-BASED MCQs
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