Question

A student takes three beakers A, B, and C filled with aqueous solution of glucose, alcohol and hydrochloric acid respectively as shown in the following
figure :

Battery Lulb switch Battery Bulb switch Battery Bulb switch



(A) (B) (C)
(i) State your observation in terms o glowing of bulb when the switch is on
(ii) Justify your observations by giving reason in each case.
(iii) Mention the change noticed with appropriate reason if the content of beaker B is replaced by sodium hydroxide solution.

Answer 1

Beaker no. A is not conduct electricity because glucose can not produce hydrogen or hydronium ions so bulb will not glow on the other hand beaker no. B will conduct electricity because aqueous solution of hydrochloric acid produce hydrogen or hydronium ions in water so bulb will glow.

Answer 2

Explanation:Hey mate ,here you go

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