MDCAT ECAT Chemistry MCQs

Correct answer C. connected to the negative terminal of the battery, where reduction occurs

Correct answer A. Platinised platinum in 1 mol dm⁻³ H⁺, with H₂ gas at 1 atm and 298 K

Correct answer B. 0.00 V

Correct answer B. 1.10 V

Correct answer D. 0.46 V

Correct answer D. F₂

Correct answer C. Copper

Correct answer C. It completes the internal circuit and keeps both solutions electrically neutral

Correct answer C. From 0 to −1 and from 0 to +1

Correct answer B. 3.17 V

Correct answer D. The reaction is spontaneous in that direction under standard conditions

Correct answer A. The potential difference set up between the metal and a solution of its own ions

Correct answer B. NaCl + AgNO₃ → AgCl + NaNO₃

Correct answer A. −3 and +5

Correct answer B. Its oxidation number increases

Correct answer B. +7

Correct answer B. +6

Correct answer D. +2

Correct answer C. +2

Correct answer B. Cu²⁺