1) Which of the following bond angles occur in a molecule of ethanol, C2H5OH? a) 90° and 180° b) 104.5° and 180° c) 104.5° and 109.5° d) 109.5° and 120° 2) Which of the following molecules is linear? a) Carbon dioxide, CO2 b) Sulfur dioxide, SO2 c) Water, H2O d) Methanal, HCHO

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