The IUPAC nomenclature of the compound H3C – CH(CH3) – CH(CH3) – CH2 – CH3 is?
H3C – CH(CH3) – CH(CH3) – CH2 – CH3 A. 3,4- dimethylhexane B. 2,3- dimethyl pentane C. 2- ethyl hexane D. 2,3- dimethylhexane Correct Answer: Option B B. 2,3- dimethyl pentaneA compound contains 40.0% carbon, 6.7% hydrogen and 53.3% oxygen. If the molar mass of the compound is 180. Find the molecular formula. [H = 1, C = 12, O = 16]
A. C3H6O3 B. C6H6O3 C. C6H12O6 D. CH2O Correct Answer: Option C C. C6H12O6In the reaction: M + N → P ΔH = +Q kJ Which of the following would increase the concentration of the product?
A. Adding a suitable catalyst B. Increasing the concentration of P C. Increasing the temperature D. Decreasing the temperature Correct Answer: Option C C. Increasing the temperatureSulphur exists in six forms in the solid-state. This property is known as?
A. Isomerism B. Allotropy C. Isotopy D. Isomorphism Correct Answer: Option B B. AllotropyProducts
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