XiMDCAT XI Complete Chemistry Grand Test#Chemical Bonding#Sigma and Pi Bonds841Choose the best answerWhich statement about σ and π bonds is incorrect?AA σ bond can be formed by s-s, s-p, p-p or hybrid orbital overlapBA π bond is generally weaker than a σ bondCThe electron density of a π bond lies along the internuclear axisDA triple bond contains one σ and two π bonds Like 0 Discuss 0Share
Chemical EquilibriumActive Mass842Choose the best answerAccording to the active-mass concept, reaction rate is directly related to the:AEquilibrium constant onlyBAtomic masses of reactantsCVolume of the container onlyDActive masses of reactants Like 0 Discuss 0Share
UHS MDCAT 2025 Chemistryuhs mdcat chemistry 2025#Crystal Lattice#Solids843Choose the best answerIn a unit cell of a crystal lattice the angle β is between faces:Aa and bBb and cCc and aDnot specified Like 0 Discuss 0Share
Fundamental Principles of Organic ChemistryCommon Alkyl Groups844Choose the best answerWhich compound contains an isopropyl group, (CH₃)₂CH–?A2,2,3,3-TetramethylpentaneB2,2-DimethylpentaneC2,2,3-TrimethylpentaneD2-Methylpentane Like 0 Discuss 0Share
Periodic TableElectron Affinity845Choose the best answerWhich process represents electron affinity?AX(g) → X⁺(g) + e⁻BX⁺(g) + e⁻ → X(g)CX(g) + e⁻ → X⁻(g)DX⁻(g) → X(g) + e⁻ Like 0 Discuss 0Share