JEE-MAIN SERIES Chemistry
Internal Energy
2 previous year questions.
Volume: 2 Ques
Yield: Medium
High-Yield Trend
1
2023 1
2018 Chapter Questions 2 MCQs
01
PYQ 2018
medium
chemistry ID: jee-main
Two moles of an ideal monoatomic gas occupies a volume at . The gas expands adiabatically to a volume . Calculate the final temperature of the gas and change in its internal energy -
1
(a) 189 K (b) 2.7 kJ
2
(a) 195 K (b) - 2.7 kJ
3
(a) 189 K (b) -2.7 kJ
4
(a) 195 K (b) 2.7 kJ
02
PYQ 2023
medium
chemistry ID: jee-main
Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R:
Assertion (A): BeCl2 and MgCl2 produce characteristic flame.
Reason (R) : The excitation energy is high in BeCl2 and MgCl2
In the light of the above statements, choose the correct answer from the option given below
Assertion (A): BeCl2 and MgCl2 produce characteristic flame.
Reason (R) : The excitation energy is high in BeCl2 and MgCl2
In the light of the above statements, choose the correct answer from the option given below
1
Both (A) and (R) are true but (R) is NOT the correct explanation of (A)
2
(A) is false but (R) is true
3
Both (A) and (R) are true and (R) is the correct explanation of (A)
4
(A) is true but (R) is false.
About Internal Energy - JEE-MAIN
Internal Energy is a vital chapter for JEE-MAIN aspirants. Mastering the concepts covered in this chapter is essential for securing a top rank.
By rigorously practicing the previous year questions associated with this chapter, you can identify high-yield topics, understand the examiner's perspective, and boost your confidence during the actual exam.
Frequently Asked Questions
Why focus on Internal Energy PYQs?
Analyzing PYQs for this specific chapter reveals the most frequently tested concepts and the typical complexity of questions, allowing you to tailor your study plan efficiently.
How to best use this analysis?
Review the topic breakdown to see which sub-topics within Internal Energy carry the most weight. Then, tackle the questions iteratively to solidify your understanding.