Q91. In the electrolysis of water, hydrogen gas is produced at the:

Q92. Which of the following hybridization types results in a tetrahedral geometry?

Q93. A fuel cell generates electricity from a chemical reaction. Which of the following fuels is NOT commonly used in fuel cells?

Q94. Which of the following salts would NOT conduct electricity in aqueous solution?

Q95. The ability of metals to be drawn into thin wires is primarily due to:

Q96. Which of the following is NOT a component of a typical electrochemical cell?

Q97. In a molecule of carbon dioxide \((CO_2)\), the hybridization of the central carbon atom is:

Q98. The anode in an electrochemical cell is the electrode where:

Q99. The standard cell potential (E°) of a spontaneous electrochemical cell is:

Q100. The final molarity of a solution made by mixing 60 mL of 0.5 M HCl, 160 mL of 0.3 M HCl and water to make the volume 300 mL is: