Home
Class 7
CHEMISTRY
Assertion (A): Electrolysis of water res...

Assertion (A): Electrolysis of water results in liberation of hydrogen at anode and oxygen at cathode.
Reason ( R): When burning splinter is introduced in a test tube at cathode, it is put off with a pop sound.

A

Both (A) and (R ) are true and (R ) is the correct reason for (A).

B

Both (A) and (R ) are true but (R ) is not the correct reason for (A)

C

(A) is true but (R ) is false

D

(A) is false but (R ) is true.

Text Solution

Verified by Experts

The correct Answer is:
D
In the electrolysis of water, hydrogen is liberated at cathode and oxygen is liberated at anode. When burning splinter is introduced into the test tube with hydrogen, it is put off with a pop sound.
Promotional Banner

Topper's Solved these Questions

  • Water

    PEARSON IIT JEE FOUNDATION|Exercise Assessment Test 2|1 Videos

  • Water

    PEARSON IIT JEE FOUNDATION|Exercise Assessment Test 3|1 Videos

  • Water

    PEARSON IIT JEE FOUNDATION|Exercise Level 3|5 Videos

  • MOCK TEST

    PEARSON IIT JEE FOUNDATION|Exercise EXERCISE|25 Videos

Similar Questions

Explore conceptually related problems

Assertion (A): The electrolysis of NaCl solution gives H_(2)(g) at cathode and Cl_(2)(g) at anode. Reason (R) : Cl_(2) has higher oxidation potential than H_(2)O

Assertion (A): Electrolysis of NaCl solution gives chlorine at anode instead of O_(2) .

Assertion (A): Sodium ions are discharged in preference to hydrogen ions at a mercury cathode. Reason (R ): The nature of cathode can affect the order of discharge of cations.