Q. What is the hybridization of a molecule with a tetrahedral shape?
A.
sp
B.
sp2
C.
sp3
D.
sp3d
Show solution
Solution
A tetrahedral shape corresponds to sp3 hybridization.
Correct Answer:
C
— sp3
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Q. What is the hybridization of carbon atoms in benzene?
A.
sp
B.
sp2
C.
sp3
D.
dsp2
Show solution
Solution
The carbon atoms in benzene are sp2 hybridized, forming a planar structure with 120-degree bond angles.
Correct Answer:
B
— sp2
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Q. What is the hybridization of nitrogen in a primary amine?
A.
sp
B.
sp2
C.
sp3
D.
None of the above
Show solution
Solution
The nitrogen in a primary amine is sp3 hybridized.
Correct Answer:
C
— sp3
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Q. What is the hybridization of nitrogen in amines?
A.
sp
B.
sp2
C.
sp3
D.
sp3d
Show solution
Solution
Nitrogen in amines is sp3 hybridized due to the presence of three substituents and a lone pair.
Correct Answer:
C
— sp3
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Q. What is the hybridization of the carbon atom in acetylene (C2H2)?
A.
sp
B.
sp2
C.
sp3
D.
dsp3
Show solution
Solution
In acetylene, each carbon atom is sp hybridized, forming a triple bond between them.
Correct Answer:
A
— sp
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Q. What is the hybridization of the carbon atom in CO2?
A.
sp
B.
sp2
C.
sp3
D.
dsp3
Show solution
Solution
In CO2, the carbon atom forms two double bonds with oxygen atoms, indicating sp hybridization.
Correct Answer:
A
— sp
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Q. What is the hybridization of the carbon atom in ethylene (C2H4)?
A.
sp
B.
sp2
C.
sp3
D.
sp3d
Show solution
Solution
In ethylene, each carbon atom is sp2 hybridized, forming a double bond with the other carbon.
Correct Answer:
B
— sp2
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Q. What is the hybridization of the carbon atom in ethyne (C2H2)?
A.
sp
B.
sp2
C.
sp3
D.
dsp3
Show solution
Solution
The carbon atoms in ethyne (C2H2) are sp hybridized due to the triple bond between them.
Correct Answer:
A
— sp
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Q. What is the hybridization of the carbon atoms in alkenes?
A.
sp
B.
sp2
C.
sp3
D.
None of the above
Show solution
Solution
The carbon atoms in alkenes are sp2 hybridized due to the presence of a double bond.
Correct Answer:
B
— sp2
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Q. What is the hybridization of the carbon atoms in an alkyne?
A.
sp
B.
sp2
C.
sp3
D.
dsp3
Show solution
Solution
In alkynes, the carbon atoms involved in the triple bond are sp hybridized.
Correct Answer:
A
— sp
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Q. What is the hybridization of the carbon atoms in benzene?
A.
sp
B.
sp2
C.
sp3
D.
dsp3
Show solution
Solution
The carbon atoms in benzene are sp2 hybridized, forming a planar structure with 120-degree bond angles.
Correct Answer:
B
— sp2
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Q. What is the hybridization of the carbon atoms in ethylene (C2H4)?
A.
sp
B.
sp2
C.
sp3
D.
sp3d
Show solution
Solution
The carbon atoms in ethylene (C2H4) are sp2 hybridized due to the presence of a double bond.
Correct Answer:
B
— sp2
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Q. What is the hybridization of the carbon atoms in ethyne (C2H2)?
A.
sp
B.
sp2
C.
sp3
D.
dsp3
Show solution
Solution
In ethyne, the carbon atoms are sp hybridized due to the presence of a triple bond.
Correct Answer:
A
— sp
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Q. What is the hybridization of the carbon atoms involved in the double bond of alkenes?
A.
sp
B.
sp2
C.
sp3
D.
sp3d
Show solution
Solution
The carbon atoms in the double bond of alkenes are sp2 hybridized.
Correct Answer:
B
— sp2
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Q. What is the hybridization of the central atom in a molecule with a tetrahedral shape?
A.
sp
B.
sp2
C.
sp3
D.
sp3d
Show solution
Solution
A tetrahedral shape corresponds to sp3 hybridization.
Correct Answer:
C
— sp3
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Q. What is the hybridization of the central atom in CH4?
A.
sp
B.
sp2
C.
sp3
D.
dsp3
Show solution
Solution
In CH4, the central carbon atom forms four equivalent bonds with hydrogen atoms, indicating sp3 hybridization.
Correct Answer:
C
— sp3
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Q. What is the hybridization of the central atom in CO2?
A.
sp
B.
sp2
C.
sp3
D.
dsp3
Show solution
Solution
The carbon atom in CO2 is sp hybridized, forming two double bonds with oxygen atoms.
Correct Answer:
A
— sp
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Q. What is the hybridization of the central atom in H2O?
A.
sp
B.
sp2
C.
sp3
D.
dsp3
Show solution
Solution
Oxygen in H2O is sp3 hybridized, forming two bonds and two lone pairs.
Correct Answer:
C
— sp3
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Q. What is the hybridization of the central atom in N2O?
A.
sp
B.
sp2
C.
sp3
D.
dsp3
Show solution
Solution
The central nitrogen atom in N2O is sp hybridized, leading to a linear arrangement.
Correct Answer:
A
— sp
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Q. What is the hybridization of the central atom in NH3?
A.
sp
B.
sp2
C.
sp3
D.
sp3d
Show solution
Solution
The central nitrogen atom in NH3 is sp3 hybridized due to three bonding pairs and one lone pair.
Correct Answer:
C
— sp3
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Q. What is the hybridization of the central atom in NH4+?
A.
sp
B.
sp2
C.
sp3
D.
dsp3
Show solution
Solution
The central atom nitrogen in NH4+ undergoes sp3 hybridization to form four equivalent bonds with hydrogen.
Correct Answer:
C
— sp3
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Q. What is the hybridization of the central atom in O3 (ozone)?
A.
sp
B.
sp2
C.
sp3
D.
dsp2
Show solution
Solution
The central oxygen atom in O3 is sp2 hybridized, leading to a bent molecular shape.
Correct Answer:
B
— sp2
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Q. What is the hybridization of the central atom in ozone (O3)?
A.
sp
B.
sp2
C.
sp3
D.
dsp2
Show solution
Solution
In ozone (O3), the central oxygen atom is sp2 hybridized, resulting in a bent molecular shape.
Correct Answer:
B
— sp2
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Q. What is the hybridization of the central atom in PCl5?
A.
sp
B.
sp2
C.
sp3
D.
sp3d
Show solution
Solution
In PCl5, phosphorus is sp3d hybridized, allowing for five bonding pairs.
Correct Answer:
D
— sp3d
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Q. What is the hybridization of the central atom in SF6?
A.
sp
B.
sp2
C.
sp3
D.
sp3d2
Show solution
Solution
The central sulfur atom in SF6 is surrounded by six fluorine atoms, leading to an octahedral geometry and sp3d2 hybridization.
Correct Answer:
D
— sp3d2
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Q. What is the hybridization of the central atom in SO2?
A.
sp
B.
sp2
C.
sp3
D.
dsp3
Show solution
Solution
The sulfur atom in SO2 is sp2 hybridized, forming one double bond and one single bond.
Correct Answer:
B
— sp2
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Q. What is the hybridization of the central atom in XeF4?
A.
sp
B.
sp2
C.
sp3
D.
dsp3
Show solution
Solution
The xenon atom in XeF4 is dsp3 hybridized, resulting in a square planar geometry.
Correct Answer:
D
— dsp3
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Q. What is the hybridization of the central atom in [Ni(CN)4]2-?
A.
sp
B.
sp2
C.
sp3
D.
dsp2
Show solution
Solution
In [Ni(CN)4]2-, nickel is in the +2 oxidation state and undergoes dsp2 hybridization to accommodate the four cyanide ligands.
Correct Answer:
D
— dsp2
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Q. What is the hybridization of the central metal ion in the complex [Cu(NH3)4]2+?
A.
sp
B.
sp2
C.
sp3
D.
dsp2
Show solution
Solution
In [Cu(NH3)4]2+, the copper ion undergoes dsp2 hybridization to accommodate four ligands.
Correct Answer:
D
— dsp2
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Q. What is the hybridization of the central metal ion in [Ni(CO)4]?
A.
sp
B.
sp2
C.
sp3
D.
d2sp3
Show solution
Solution
In [Ni(CO)4], the nickel ion undergoes sp3 hybridization to accommodate four CO ligands.
Correct Answer:
C
— sp3
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Chemistry Syllabus (JEE Main) MCQ & Objective Questions
The Chemistry Syllabus for JEE Main is crucial for students aiming to excel in their exams. Understanding this syllabus not only helps in grasping fundamental concepts but also enhances performance in objective questions and MCQs. Regular practice with these types of questions is essential for scoring better and mastering important topics.
What You Will Practise Here
Basic Concepts of Chemistry
Atomic Structure and Chemical Bonding
States of Matter: Gases and Liquids
Thermodynamics and Thermochemistry
Equilibrium: Chemical and Ionic
Redox Reactions and Electrochemistry
Hydrocarbons and Environmental Chemistry
Exam Relevance
The Chemistry syllabus is a significant part of CBSE, State Boards, NEET, and JEE exams. Questions from this syllabus often appear in various formats, including multiple-choice questions, assertion-reason type questions, and numerical problems. Familiarity with the common question patterns can greatly enhance your exam preparation and confidence.
Common Mistakes Students Make
Misunderstanding the periodic trends and their implications.
Confusing different types of chemical bonds and their properties.
Neglecting to balance redox reactions properly.
Overlooking the significance of units in thermodynamic calculations.
Failing to apply concepts of equilibrium in problem-solving.
FAQs
Question: What are the key topics I should focus on in the Chemistry syllabus for JEE Main?Answer: Focus on atomic structure, chemical bonding, thermodynamics, and equilibrium as they are frequently tested.
Question: How can I improve my performance in Chemistry MCQs?Answer: Regular practice with past papers and understanding concepts deeply will help you tackle MCQs effectively.
Start your journey towards mastering the Chemistry Syllabus (JEE Main) by solving practice MCQs today. Test your understanding and build confidence for your exams!