TS EAMCET · Chemistry · Thermodynamics (C)
The decreasing order of bond dissociation energies of \(\mathrm{C}-\mathrm{C}, \mathrm{C}-\mathrm{H}\) and \(\mathrm{H}-\mathrm{H}\) bonds is
- A \(\mathrm{H}-\mathrm{H}>-\mathrm{C}-\mathrm{H}>-\mathrm{C}-\mathrm{C}-\)
- B \(-\mathrm{C}-\mathrm{C}->\mathrm{C}-\mathrm{H}>\mathrm{H}-\mathrm{H}\)
- C \(-\mathrm{C}-\mathrm{H}>-\mathrm{C}-\mathrm{C}->\mathrm{H}-\mathrm{H}\)
- D \(-\mathrm{C}-\mathrm{C}->\mathrm{H}-\mathrm{H}>-\mathrm{C}-\mathrm{H}\)
Answer & Solution
Correct Answer
(A) \(\mathrm{H}-\mathrm{H}>-\mathrm{C}-\mathrm{H}>-\mathrm{C}-\mathrm{C}-\)
Step-by-step Solution
Detailed explanation
The decreasing order of bond dissociation energies of \(\mathrm{C}-\mathrm{C}, \mathrm{C}-\mathrm{H}\) and \(\mathrm{H}-\mathrm{H}\) bonds is as: \(\mathrm{H}-\mathrm{H}>-\mathrm{C}-\mathrm{H}>-\mathrm{C}-\mathrm{C}-\)
See the Complete Solution
Get step-by-step explanations for this and 2.5 Lakh+ more JEE, NEET & CET questions.
- Unlock all solutions
- Practice the full chapter
- Track accuracy across PYQs
4.8 rated on Google Play · 14,000+ reviews
More questions from Chemistry
-
In the reactions sequence, conversion of \(\mathrm{B}\) to \(\mathrm{C}\) is known asTS EAMCET 2023 Medium - Identify the number of complexes that are optically active
\(\left[ Co ( en )_3\right]^{3+} ;\left[ Co \left( NH _3\right)_4 Cl _2\right]^{+} ;\)
\(\left[ CoCl _2( en )_2\right] ;\left[ Co \left( NH _3\right)_3\left( NO _2\right)_3\right]\)TS EAMCET 2018 Hard - The pair of molecules/ions with same geometry but central atoms in them are in different states of hybridization isTS EAMCET 2024 Easy
- \(\mathrm{CaCO}_3\) reacts with \(\mathrm{HCl}\) to produce \(\mathrm{CaCl}_2, \mathrm{CO}_2\) and \(\mathrm{H}_2 \mathrm{O}\). The approximate mass (in \(\mathrm{g}\) ) of \(\mathrm{CaCO}_3\) \({ }_3\) required to react completely with \(25 \mathrm{~mL}\) of \(0.75 \mathrm{M} \mathrm{HCl}\) is (atomic mass of \(\mathrm{Ca}=40, \mathrm{C}=12\), \(\mathrm{O}=16, \mathrm{Cl}=35.5\) and \(\mathrm{H}=1\) )TS EAMCET 2018 Hard
- In +2 oxidation state, which of the following lanthanoids act as reducing agents?TS EAMCET 2023 Medium
- Calculate \(\Delta H\) in \(\mathrm{kJ}\) for the following reaction \[ \mathrm{C}(\mathrm{g})+\mathrm{O}_2(\mathrm{~g}) \longrightarrow \mathrm{CO}_2(\mathrm{~g}) \] Given that, \[ \begin{gathered} \mathrm{H}_2 \mathrm{O}(g)+\mathrm{C}(g) \longrightarrow \mathrm{CO}(g)+\mathrm{H}_2(g) ; \ \Delta H=+131 \mathrm{~kJ} \ \mathrm{CO}(g)+\frac{1}{2} \mathrm{O}_2(g) \longrightarrow \mathrm{CO}_2(g) ; \ \Delta H=-282 \mathrm{~kJ} \ \mathrm{H}_2(g)+\frac{1}{2} \mathrm{O}_2(g) \longrightarrow \mathrm{H}_2 \mathrm{O}(g) ; \ \Delta H=-242 \mathrm{~kJ} \end{gathered} \]TS EAMCET 2008 Easy
More PYQs from TS EAMCET
- The coagulation of \(200 \mathrm{ml}\) of a positive colloid took place when \(0.73 \mathrm{~g}\) of \(\mathrm{HCl}\) was added to it without changing the volume much. The flocculation value of \(\mathrm{HCl}\) for the colloid isTS EAMCET 2022 Medium
- A body \(P\) is projected at an angle of \(30^{\circ}\) with the horizontal and another body \(Q\) is projected at angle of \(30^{\circ}\) with the vertical. If the ratio of the horizontal ranges of the bodies \(P\) and \(Q\) is \(1: 2\), then the ratio of the maximum heights reached by the bodies \(P\) and \(Q\) isTS EAMCET 2024 Easy
- The ratio of the time periods of a simple pendulum at heights \(2 R_E\) and \(3 R_E\) from the surface of the earth is
( \(R_E\) is radius of the earth)TS EAMCET 2025 Medium - Two objects \(P\) and \(Q\) are placed at \(10 \mathrm{~cm}\) and \(30 \mathrm{~cm}\) infront of a convex lens of focal length \(20 \mathrm{~cm}\). The correct option for the image of \(P\) and \(Q\) isTS EAMCET 2018 Easy
- When permangnate ion is heated at 513 K, led to the formation of two manganese based products. The physical properties of the product in which manganese with the higher oxidation state than the other areTS EAMCET 2022 Hard
- is a rectangular loop made of uniform wire. If what is the magnetic force per unit length acting on wire due to wire if ammeter reads (The length of and are large in comparison with other two sides)
TS EAMCET 2021 Easy