Q. Which of the following is NOT a derivative of carboxylic acid?
A.
Ester
B.
Amide
C.
Acid chloride
D.
Alcohol
Show solution
Solution
Alcohols are not derivatives of carboxylic acids; they are separate functional groups.
Correct Answer: D — Alcohol
Learn More →
Q. Which of the following is not a f-block element?
A.
Uranium
B.
Plutonium
C.
Zirconium
D.
Neptunium
Show solution
Solution
Zirconium (Zr) is a d-block element, while Uranium, Plutonium, and Neptunium are f-block elements.
Correct Answer: C — Zirconium
Learn More →
Q. Which of the following is NOT a factor affecting solubility?
A.
Temperature
B.
Pressure
C.
Nature of solute and solvent
D.
Color of solute
Show solution
Solution
Color of solute does not affect its solubility; solubility is influenced by temperature, pressure, and the nature of solute and solvent.
Correct Answer: D — Color of solute
Learn More →
Q. Which of the following is NOT a factor affecting the solubility of a solute in a solvent?
A.
Temperature
B.
Pressure
C.
Nature of solute and solvent
D.
Color of solute
Show solution
Solution
The color of the solute does not affect its solubility; solubility is influenced by temperature, pressure, and the nature of the solute and solvent.
Correct Answer: D — Color of solute
Learn More →
Q. Which of the following is NOT a function of carbohydrates?
A.
Energy storage
B.
Structural support
C.
Hormone production
D.
Cell recognition
Show solution
Solution
Carbohydrates are primarily involved in energy storage, structural support, and cell recognition, but they do not produce hormones.
Correct Answer: C — Hormone production
Learn More →
Q. Which of the following is NOT a function of lipids?
A.
Energy storage
B.
Insulation
C.
Hormone production
D.
Genetic information storage
Show solution
Solution
Lipids do not store genetic information; that function is performed by nucleic acids.
Correct Answer: D — Genetic information storage
Learn More →
Q. Which of the following is NOT a function of proteins?
A.
Enzymatic activity
B.
Energy storage
C.
Transport of molecules
D.
Cell signaling
Show solution
Solution
While proteins can be involved in energy metabolism, they are not primarily used for energy storage; carbohydrates and fats serve that purpose.
Correct Answer: B — Energy storage
Learn More →
Q. Which of the following is not a hydrogen compound?
A.
H2O
B.
NH3
C.
CH4
D.
CO2
Show solution
Solution
Carbon dioxide (CO2) is not a hydrogen compound as it does not contain hydrogen.
Correct Answer: D — CO2
Learn More →
Q. Which of the following is NOT a method to increase the rate of adsorption?
A.
Increasing temperature
B.
Increasing surface area
C.
Increasing pressure
D.
Decreasing particle size
Show solution
Solution
Increasing temperature generally decreases the rate of adsorption for exothermic processes, while the other options increase the rate.
Correct Answer: A — Increasing temperature
Learn More →
Q. Which of the following is not a p-block element?
A.
Carbon
B.
Boron
C.
Sodium
D.
Nitrogen
Show solution
Solution
Sodium is an s-block element, while the others are p-block elements.
Correct Answer: C — Sodium
Learn More →
Q. Which of the following is NOT a postulate of the kinetic molecular theory?
A.
Gas particles are in constant random motion
B.
Gas particles have negligible volume
C.
Gas particles attract each other
D.
The average kinetic energy of gas particles is proportional to temperature
Show solution
Solution
The kinetic molecular theory assumes that gas particles do not attract each other, which is why option 3 is NOT a postulate.
Correct Answer: C — Gas particles attract each other
Learn More →
Q. Which of the following is NOT a property of elastomers?
A.
High elasticity
B.
Low tensile strength
C.
Good thermal stability
D.
Ability to return to original shape
Show solution
Solution
Elastomers typically do not have good thermal stability; they are more flexible and can return to their original shape after deformation.
Correct Answer: C — Good thermal stability
Learn More →
Q. Which of the following is not a property of f-block elements?
A.
Radioactivity
B.
High density
C.
High melting points
D.
Non-magnetic
Show solution
Solution
F-block elements are generally magnetic due to unpaired electrons, so 'Non-magnetic' is not a property.
Correct Answer: D — Non-magnetic
Learn More →
Q. Which of the following is not a property of hydrogen?
A.
Colorless
B.
Odorless
C.
Highly soluble in water
D.
Lightest element
Show solution
Solution
Hydrogen is not highly soluble in water; it is actually sparingly soluble.
Correct Answer: C — Highly soluble in water
Learn More →
Q. Which of the following is not a property of ionic compounds?
A.
High melting point
B.
Electrical conductivity in solid state
C.
Solubility in water
D.
Brittleness
Show solution
Solution
Ionic compounds do not conduct electricity in solid state; they conduct when molten or dissolved.
Correct Answer: B — Electrical conductivity in solid state
Learn More →
Q. Which of the following is NOT a property of polymers?
A.
High strength
B.
Low density
C.
Brittleness
D.
Corrosion resistance
Show solution
Solution
Brittleness is generally not a property of polymers; they are usually more flexible.
Correct Answer: C — Brittleness
Learn More →
Q. Which of the following is not a state function?
A.
Enthalpy
B.
Internal Energy
C.
Heat
D.
Gibbs Free Energy
Show solution
Solution
Heat is not a state function; it depends on the path taken during a process.
Correct Answer: C — Heat
Learn More →
Q. Which of the following is not a state of matter?
A.
Solid
B.
Liquid
C.
Gas
D.
Plasma
Show solution
Solution
All listed options are states of matter; however, 'Plasma' is often considered a fourth state, while 'Bose-Einstein condensate' is another state not listed.
Correct Answer: D — Plasma
Learn More →
Q. Which of the following is not a transition metal?
A.
Iron
B.
Zinc
C.
Copper
D.
Nickel
Show solution
Solution
Zinc is not considered a transition metal because it does not have an incomplete d subshell in its elemental state.
Correct Answer: B — Zinc
Learn More →
Q. Which of the following is NOT a type of adsorption isotherm?
A.
Langmuir
B.
Freundlich
C.
BET
D.
Henry
Show solution
Solution
Henry's law describes solubility, not adsorption, while Langmuir, Freundlich, and BET are types of adsorption isotherms.
Correct Answer: D — Henry
Learn More →
Q. Which of the following is NOT a type of isomerism?
A.
Geometric isomerism
B.
Optical isomerism
C.
Hydrogen isomerism
D.
Structural isomerism
Show solution
Solution
Hydrogen isomerism is not a recognized type of isomerism in chemistry.
Correct Answer: C — Hydrogen isomerism
Learn More →
Q. Which of the following is not an alkali metal?
A.
Lithium
B.
Sodium
C.
Calcium
D.
Potassium
Show solution
Solution
Calcium is not an alkali metal; it is an alkaline earth metal.
Correct Answer: C — Calcium
Learn More →
Q. Which of the following is NOT an aromatic compound?
A.
Naphthalene
B.
Benzene
C.
Cyclooctatetraene
D.
Anthracene
Show solution
Solution
Cyclooctatetraene is not aromatic because it does not satisfy Huckel's rule; it is non-planar and does not have a continuous overlap of p-orbitals.
Correct Answer: C — Cyclooctatetraene
Learn More →
Q. Which of the following is not an assumption of the kinetic molecular theory?
A.
Gas particles are in constant motion
B.
Gas particles have no volume
C.
Gas particles attract each other
D.
Collisions between gas particles are elastic
Show solution
Solution
The kinetic molecular theory assumes that gas particles do not attract or repel each other.
Correct Answer: C — Gas particles attract each other
Learn More →
Q. Which of the following is not an s-block element?
A.
Calcium
B.
Barium
C.
Magnesium
D.
Aluminum
Show solution
Solution
Aluminum is not an s-block element; it is a p-block element.
Correct Answer: D — Aluminum
Learn More →
Q. Which of the following is the correct expression for the van der Waals equation?
A.
(P + a(n/V)^2)(V - nb) = nRT
B.
(P - a(n/V)^2)(V + nb) = nRT
C.
PV = nRT + a(n/V)^2
D.
PV = nRT - nb
Show solution
Solution
The van der Waals equation is (P + a(n/V)^2)(V - nb) = nRT.
Correct Answer: A — (P + a(n/V)^2)(V - nb) = nRT
Learn More →
Q. Which of the following is the correct formula for ethyne?
A.
C2H2
B.
C2H4
C.
C2H6
D.
C2H8
Show solution
Solution
Ethyne, also known as acetylene, has the formula C2H2, which indicates it is an alkyne.
Correct Answer: A — C2H2
Learn More →
Q. Which of the following is the correct IUPAC name for C2H5-CO-CH3?
A.
2-Pentanone
B.
3-Pentanone
C.
Butan-2-one
D.
Butan-3-one
Show solution
Solution
The compound is a ketone with a four-carbon chain, and the carbonyl group is on the second carbon, hence it is Butan-2-one.
Correct Answer: C — Butan-2-one
Learn More →
Q. Which of the following is the correct IUPAC name for C3H6?
A.
Propene
B.
Cyclopropane
C.
Propane
D.
1-Propyn
Show solution
Solution
C3H6 corresponds to propene, which is an alkene with a double bond.
Correct Answer: A — Propene
Learn More →
Q. Which of the following is the correct IUPAC name for C3H7-COOH?
A.
Propanoic acid
B.
Butanoic acid
C.
Pentanoic acid
D.
Hexanoic acid
Show solution
Solution
The compound has 3 carbons in the longest chain and a carboxylic acid group, hence it is Propanoic acid.
Correct Answer: A — Propanoic acid
Learn More →
Showing 2311 to 2340 of 2802 (94 Pages)