MDCAT ECAT Chemistry MCQs

Correct answer B. CH₄ > NH₃ > H₂O

Correct answer B. CO₂

Correct answer C. BF₃

Correct answer B. Debye; 1 D = 3.34 × 10⁻³⁰ C m

Correct answer A. 17%

Correct answer D. HF

Correct answer A. +8/3

Correct answer B. Trigonal pyramidal

Correct answer B. 104.5°

Correct answer D. Octahedral

Correct answer B. Trigonal bipyramidal, sp³d

Correct answer D. Trigonal planar, 120°

Correct answer D. sp

Correct answer D. 5 sigma and 1 pi

Correct answer D. 3 sigma and 2 pi

Correct answer C. 2 sigma and 2 pi

Correct answer D. By sideways overlap of parallel p orbitals

Correct answer D. Head-on overlap gives greater orbital overlap than sideways overlap

Correct answer D. sp³

Correct answer B. Oxidation occurs there and it is the negative electrode