MDCAT ECAT Chemistry MCQs

Correct answer C. Trichloroethanoic acid

Correct answer D. 2.87

Correct answer A. 2,4-Dinitrophenylhydrazine

Correct answer D. [Ag(NH₃)₂]⁺

Correct answer B. Propanal

Correct answer C. Propanone

Correct answer B. Methanal

Correct answer D. 3-Hydroxybutanal

Correct answer C. Methanol and sodium methanoate

Correct answer A. Propan-2-ol

Correct answer D. Butan-1-ol

Correct answer D. They are oxidised only by strong oxidising agents, with breaking of C–C bonds

Correct answer C. 21.6 g

Correct answer C. 7.15 g

Correct answer B. 2-Methylpropan-2-ol

Correct answer A. Butanone

Correct answer D. Propanal

Correct answer B. sp², with bond angles of about 120°

Correct answer A. Aldehydes have less steric hindrance and fewer electron-donating alkyl groups

Correct answer D. Methanal