Chemistry (General Concepts) MCQs with Answers

2-pentanone and 3-pentanone are examples of?

• A.Chain isomers
• B.Position isomers
• C.Functional group isomers
• D.Metamers

If the ratio of solute to solvent is high, the solution is said to be ?

• A.Supersaturated Solution
• B.Dilute Solution
• C.Saturated Solution
• D.Concentrated Solution

Nascent hydrogen is _?

• A.Atomic hydrogen
• B.Molecular hydrogen
• C.Ionized hydrogen
• D.Heavy hydrogen

The presence of unsaturation can be tested with _?

• A.Baeyer's reagent
• B.Fehling's solution
• C.Tollen's reagent
• D.Benedict's solution

Substances whose solutions do not conduct electricity are called ?

• A.Electrolytes
• B.Non-electrolytes
• C.Conductors
• D.Insulators

Oxidation is defined as?

• A.Loss of electrons
• B.Gain of electrons
• C.Loss of protons
• D.Gain of protons

Which of the following is NOT a feature of Valence Shell Electron Pair Repulsion theory?

• A.Electron pairs arrange themselves to minimize repulsion
• B.Lone pairs exert greater repulsion than bonding pairs
• C.Only lone pairs participate in determining geometry of molecules
• D.Both lone pairs and bonding pairs influence molecular shape

Which of the following can be separated by physical means?

• A.Element
• B.Compound
• C.Mixture
• D.Atom

Which of the following is the weakest acid?

• A.HClO₄
• B.HClO₂
• C.HClO₃
• D.HClO

A sample of dichloroacetic acid (MW = 128.94 g/mol) weighing 6.447 g is dissolved in water in a 500 mL volumetric flask. The resulting formality of the solution is?

• A.0.025 F
• B.0.050 F
• C.0.200 F
• D.0.100 F