BITSAT SERIES Chemistry
Bond Energies
5 previous year questions.
Volume: 5 Ques
Yield: Medium
High-Yield Trend
1
2016 1
2014 1
2013 1
2012 1
2011 Chapter Questions 5 MCQs
01
PYQ 2011
medium
chemistry ID: bitsat-2
The correct bond order in the following species is:
1
O₂²⁻ < O₂ < O₂^+
2
O₂^+ < O₂ < O₂²⁻
3
O₂²⁻ < O₂^+ < O₂
4
O₂^+ < O₂²⁻ < O₂
02
PYQ 2012
medium
chemistry ID: bitsat-2
Bond enthalpies of , , and are in the ratio 2:1:2. If enthalpy of formation of is -50 kJ/mol , the bond enthalpy of is:
1
100 kJ/mol
2
300 kJ/mol
3
200 kJ/mol
4
400 kJ/mol
03
PYQ 2013
medium
chemistry ID: bitsat-2
For the dissociation reaction, , , heat of atomisation of H is
1
81 Kcal
2
162 Kcal
3
162 Kcal
4
218 Kcal
04
PYQ 2014
medium
chemistry ID: bitsat-2
The correct order of increasing C–O bond length in CO, CO , CO is:
1
CO < CO < CO
2
CO < CO < CO
3
CO < CO < CO
4
CO < CO < CO
05
PYQ 2016
medium
chemistry ID: bitsat-2
Given the following data: l c
Reaction & Energy change (kJ)
Li(s) → Li(g) & 161
Li(g) → Li⁺(g) & 520
(1)/(2)F₂(g) → F(g) & 77
F(g) + e⁻ → F⁻(g) & ?
Li⁺(g) + F⁻(g) → LiF(s) & -1047
Li(s) + (1)/(2)F₂(g) → LiF(s) & -617 Based on the data provided, the value of electron gain enthalpy of fluorine would be:
Li(s) → Li(g) & 161
Li(g) → Li⁺(g) & 520
(1)/(2)F₂(g) → F(g) & 77
F(g) + e⁻ → F⁻(g) & ?
Li⁺(g) + F⁻(g) → LiF(s) & -1047
Li(s) + (1)/(2)F₂(g) → LiF(s) & -617 Based on the data provided, the value of electron gain enthalpy of fluorine would be:
1
-300kJ mol⁻1
2
-350kJ mol⁻1
3
-328kJ mol⁻1
4
-228kJ mol⁻1
About Bond Energies - BITSAT
Bond Energies is a vital chapter for BITSAT 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 Bond Energies 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 Bond Energies carry the most weight. Then, tackle the questions iteratively to solidify your understanding.