Which of the following molecules has a linear structure?
A. NH3 B. H2O C. CO2 D. CH4 Correct Answer: Option C C. CO2Which of the following can be used to predict the type of bonding in HCI?
A. pH value B. Electronegativity difference C. Heat of neutralization D. Heat of solution Correct Answer: Option B B. Electronegativity differenceAn element which can exist in two or more forms in the same physical state, exhibits?
A. isotopy B. structural isomerism C. allotropy D. variable valency Correct Answer: Option C C. allotropyAn element X has an atomic number of 16. What is its most likely oxidation state in its binary compounds?
A. -3 B. -2 C. +2 D. +4 Correct Answer: Option B B. -2Products
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