MHT-CET
Q. What is the y-intercept of the line 3x - 2y = 6? (2020) 2020
Solution
Setting x = 0, we get -2y = 6, so y = -3.
Correct Answer: A — 3
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Q. What is the y-intercept of the line 3x - 4y = 12? (2023)
Solution
Setting x = 0, we get -4y = 12, so y = -3.
Correct Answer: A — 3
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Q. What type of adsorption is characterized by the formation of a chemical bond? (2019)
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A.
Physisorption
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B.
Chemisorption
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C.
Desorption
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D.
Multilayer adsorption
Solution
Chemisorption is characterized by the formation of a chemical bond between the adsorbate and the surface.
Correct Answer: B — Chemisorption
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Q. What type of biomolecule is RNA? (2014)
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A.
Protein
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B.
Carbohydrate
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C.
Nucleic Acid
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D.
Lipid
Solution
RNA is classified as a nucleic acid, which plays a crucial role in protein synthesis.
Correct Answer: C — Nucleic Acid
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Q. What type of bond is formed between sodium (Na) and chlorine (Cl) in NaCl? (2019)
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A.
Covalent bond
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B.
Ionic bond
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C.
Metallic bond
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D.
Hydrogen bond
Solution
NaCl is formed by the transfer of an electron from sodium to chlorine, resulting in an ionic bond.
Correct Answer: B — Ionic bond
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Q. What type of bond is formed when two atoms share electrons? (2023)
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A.
Ionic bond
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B.
Covalent bond
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C.
Metallic bond
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D.
Hydrogen bond
Solution
A covalent bond is formed when two atoms share electrons to achieve stability.
Correct Answer: B — Covalent bond
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Q. What type of bond is formed when two atoms share electrons? (2023) 2023
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A.
Ionic bond
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B.
Covalent bond
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C.
Metallic bond
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D.
Hydrogen bond
Solution
A covalent bond is formed when two atoms share electrons to achieve stability.
Correct Answer: B — Covalent bond
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Q. What type of bond is present in a carbon-carbon double bond?
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A.
Single bond
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B.
Double bond
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C.
Triple bond
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D.
Quadruple bond
Solution
A carbon-carbon double bond consists of one sigma bond and one pi bond, making it a double bond.
Correct Answer: B — Double bond
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Q. What type of bond is present in alkenes?
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A.
Single bond
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B.
Double bond
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C.
Triple bond
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D.
Quadruple bond
Solution
Alkenes contain at least one double bond between carbon atoms.
Correct Answer: B — Double bond
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Q. What type of bond is present in O2? (2022)
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A.
Single bond
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B.
Double bond
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C.
Triple bond
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D.
Quadruple bond
Solution
O2 has a double bond, as two pairs of electrons are shared between the two oxygen atoms.
Correct Answer: B — Double bond
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Q. What type of bond is primarily responsible for the strength of polymers?
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A.
Ionic bond
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B.
Covalent bond
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C.
Hydrogen bond
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D.
Metallic bond
Solution
Covalent bonds are primarily responsible for the strength and stability of polymer chains.
Correct Answer: B — Covalent bond
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Q. What type of bond is primarily responsible for the structure of polymers?
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A.
Ionic bond
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B.
Covalent bond
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C.
Hydrogen bond
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D.
Metallic bond
Solution
Covalent bonds are primarily responsible for the structure of polymers, linking monomers together.
Correct Answer: B — Covalent bond
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Q. What type of bond links amino acids together in a protein? (2023) 2023
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A.
Ionic bond
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B.
Covalent bond
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C.
Hydrogen bond
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D.
Peptide bond
Solution
A peptide bond is a specific type of covalent bond that links amino acids together in proteins.
Correct Answer: D — Peptide bond
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Q. What type of intermolecular force is present in liquid water? (2021)
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A.
London dispersion forces
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B.
Dipole-dipole interactions
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C.
Hydrogen bonding
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D.
Ionic interactions
Solution
Liquid water exhibits hydrogen bonding due to the attraction between the hydrogen atoms of one water molecule and the oxygen atom of another.
Correct Answer: C — Hydrogen bonding
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Q. What type of polymer is nylon?
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A.
Addition polymer
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B.
Condensation polymer
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C.
Natural polymer
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D.
Composite polymer
Solution
Nylon is a condensation polymer formed from the reaction of diamines and dicarboxylic acids.
Correct Answer: B — Condensation polymer
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Q. What type of reaction is involved in the conversion of an alkene to an alkane? (2023)
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A.
Hydrogenation
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B.
Dehydration
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C.
Halogenation
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D.
Oxidation
Solution
Hydrogenation is the process of adding hydrogen to an alkene to convert it into an alkane.
Correct Answer: A — Hydrogenation
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Q. What type of reaction occurs when an alkene reacts with hydrogen? (2023) 2023
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A.
Hydrolysis
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B.
Hydrogenation
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C.
Dehydration
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D.
Oxidation
Solution
The reaction of an alkene with hydrogen is called hydrogenation.
Correct Answer: B — Hydrogenation
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Q. What type of reaction occurs when ethene is converted to ethane? (2020)
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A.
Hydrogenation
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B.
Dehydrogenation
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C.
Halogenation
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D.
Hydrolysis
Solution
The conversion of ethene to ethane involves the addition of hydrogen, which is known as hydrogenation.
Correct Answer: A — Hydrogenation
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Q. What type of reaction occurs when ethene reacts with bromine?
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A.
Substitution
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B.
Addition
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C.
Elimination
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D.
Oxidation
Solution
The reaction between ethene and bromine is an addition reaction, forming dibromoethane.
Correct Answer: B — Addition
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Q. What type of reaction occurs when haloalkanes react with aqueous KOH?
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A.
Nucleophilic substitution
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B.
Elimination
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C.
Addition
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D.
Redox
Solution
Haloalkanes react with aqueous KOH primarily through nucleophilic substitution to form alcohols.
Correct Answer: A — Nucleophilic substitution
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Q. What type of reaction occurs when haloalkanes react with metals like magnesium?
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A.
Substitution
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B.
Elimination
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C.
Addition
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D.
Grignard formation
Solution
The reaction of haloalkanes with metals like magnesium leads to Grignard formation, which is a key step in organic synthesis.
Correct Answer: D — Grignard formation
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Q. What type of reaction occurs when haloalkanes react with metals like zinc?
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A.
Substitution
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B.
Elimination
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C.
Reduction
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D.
Oxidation
Solution
The reaction of haloalkanes with metals like zinc is a reduction reaction, forming alkanes.
Correct Answer: C — Reduction
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Q. What type of reaction occurs when haloalkanes react with nucleophiles? (2020)
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A.
Elimination
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B.
Substitution
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C.
Addition
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D.
Redox
Solution
Haloalkanes typically undergo nucleophilic substitution reactions where the halogen is replaced by a nucleophile.
Correct Answer: B — Substitution
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Q. What type of structure do most natural polymers have?
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A.
Linear
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B.
Branched
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C.
Cross-linked
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D.
Network
Solution
Most natural polymers, like cellulose, have a linear structure.
Correct Answer: A — Linear
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Q. What type of sugar is ribose?
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A.
Monosaccharide
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B.
Disaccharide
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C.
Polysaccharide
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D.
Oligosaccharide
Solution
Ribose is a monosaccharide, a simple sugar that is a component of RNA.
Correct Answer: A — Monosaccharide
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Q. Which alcohol is commonly known as rubbing alcohol?
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A.
Ethanol
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B.
Isopropanol
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C.
Methanol
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D.
Butanol
Solution
Isopropanol, or 2-Propanol, is commonly referred to as rubbing alcohol.
Correct Answer: B — Isopropanol
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Q. Which alcohol is used as an antifreeze agent? (2022)
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A.
Ethanol
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B.
Methanol
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C.
Isopropanol
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D.
Butanol
Solution
Methanol is commonly used as an antifreeze agent due to its low freezing point.
Correct Answer: B — Methanol
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Q. Which alcohol is used as an antifreeze? (2022)
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A.
Methanol
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B.
Ethanol
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C.
Isopropanol
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D.
Butanol
Solution
Methanol is commonly used as an antifreeze due to its low freezing point.
Correct Answer: A — Methanol
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Q. Which amine is a strong base due to steric hindrance? (2022)
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A.
Methylamine
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B.
Ethylamine
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C.
Tert-butylamine
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D.
Aniline
Solution
Tert-butylamine is a strong base due to steric hindrance that prevents protonation, making it more stable.
Correct Answer: C — Tert-butylamine
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Q. Which amine is known for its fishy odor?
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A.
Methylamine
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B.
Ethylamine
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C.
Trimethylamine
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D.
Aniline
Solution
Trimethylamine is known for its strong fishy odor, often associated with decaying fish.
Correct Answer: C — Trimethylamine
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