Chemical BondingBond Angle and Lone-Pair Repulsion2936Choose the best answerThe H–O–H bond angle in water is approximately:A90°B109.5°C180°D104.5° Like 0 Discuss 0Share
SolidsAllotropes of Sulfur2937Choose the best answerAbove approximately 95.5°C, the stable crystalline form of sulfur is:ARhombic sulfurBMonoclinic sulfurCAmorphous sulfurDPlastic sulfur Like 0 Discuss 0Share
StoichiometryGas Volume Stoichiometry2938Choose the best answerHow many litres of HCl are produced when 100 L H₂ reacts with excess Cl₂ at the same temperature and pressure? H₂ + Cl₂ → 2HClA50 LB100 LC150 LD200 L Like 0 Discuss 0Share
SINDH MDCAT 2019 CHEMISTRY#Alkynes#Chemistry of Hydrocarbons2939Choose the best answerWrite the chemical name of the given structure (H₃C–C≡C–CH(C₂H₅)–C≡CH): (Sindh MDCAT 2019)A4-ethyl-2,5-hexadiyneB3-ethyl-1,4-hexadieneC3-Ethylhex-1,4-diyneD3-ethyl-2,5-hexadiyne Like 0 Discuss 2Share
KMU MDCAT 2024 Chemistry#Alcohols#Alcohols and Phenols2940Choose the best answerThe reaction of an alcohol with sodium produces (KMU MDCAT 2024)AAldehydeBAlkoxideCEthaneDEthene Like 0 Discuss 0Share