JEE Mains · Chemistry · STD 11 - 8.2 Organic chemistry isomerism
The incorrect statement regarding conformations of ethane is:
- A Ethane has infinite number of conformations
- B The dihedral angle in staggered conformation is \(60^{\circ}\)
- C Eclipsed conformation is the most stable conformation.
- D The conformations of ethane are interconvertible to one-another.
Answer & Solution
Correct Answer
(C) Eclipsed conformation is the most stable conformation.
Step-by-step Solution
Detailed explanation
Eclipsed conformation is the least stable conformation of ethane.
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
- Determination of the molar mass of acetic acid in benzene using freezing point depression is affected byJEE Mains 2015 Hard
- For electron gain enthalpies of the elements denoted as \(\Delta_{ eg } H\), the incorrect option is :JEE Mains 2023 Medium
- The enthalpy of combustion of propane, graphite and dihydrogen at \(298\,K\) are: \(-2220.0\,kJ\,mol ^{-1}\), \(393.5\,kJ mol ^{-1}\) and \(-285.8\,kJ\,mol ^{-1}\) respectively. The magnitude enthalpy of formation of propane \(\left( C _{3} H _{8}\right)\) is......... \(kJ\,mol\,{ }^{-1}\). (Nearest integer)JEE Mains 2022 Medium
- The number of non-ionisable protons present in the product \(B\) obtained from the following reaction is \(\text { . } C _{2} H _{5} OH + PCl _{3} \rightarrow C _{2} H _{5} Cl + A\) \(A + PCl _{3} \rightarrow B\)JEE Mains 2022 Medium
- For the following gas phase equilibrium reaction at constant temperature,
\(NH_3(g) \rightleftharpoons \frac{1}{2} N_2(g)+\frac{3}{2} H_2(g)\)
If the total pressure is \(\sqrt{3} \) atm and the pressure equilibrium constant \(\left( K _{ p }\right)\) is 9 atm , then the degree of dissociation is given as \(\left(x \times 10^{-2}\right)^{-1 / 2}\).
The value of \(x\) is __________ (Nearest integer)JEE Mains 2026 Easy - The hydrocarbon \((X)\) with molar mass \(80 \mathrm{~g} \mathrm{~mol}^{-1}\) and \(90 \%\) carbon has _______ degree of unsaturation.JEE Mains 2025 Easy
More PYQs from JEE Mains
- Three vectors \(\overrightarrow{\mathrm{OP}}, \overrightarrow{\mathrm{OQ}}\) and \(\overrightarrow{\mathrm{OR}}\) each of magnitude \(A\) are acting as shown in figure. The resultant of the three vectors is \(A \sqrt{x}\). The value of \(x\) is _______.
JEE Mains 2024 Hard - For some \(a, b, c \in N\), let \(f(x)=a x-3\) and \(g ( x )= x ^{ b }+ c , x \in R\). If \((\text { fog })^{-1}( x )=\left(\frac{ x -7}{2}\right)^{1 / 3}\) then \((fog) (ac) + (gof) (b)\) is equal to \(..........\)JEE Mains 2023 Hard
- \(E _{ Cu ^{2+} \mid Cu }^{\circ}=+0.34 V\) \(E _{ Zn ^{2}+\mid Zn }^{ o }=-0.76 V\) Identify the incorrect statement from the options below for the above cell
JEE Mains 2020 Medium - When the temperature of a metal wire is increased from \(0^{\circ} \,C\) to \(10^{\circ}\, C\), its length increases by \(0.02 \% .\) The percentage change in its mass density will be closest to:JEE Mains 2020 Hard
-
A string of length \(L\) is fixed at one end and carries a mass of \(M\) at the other end. The mass makes \(\left(\frac{3}{\pi}\right)\) rotations per second about the vertical axis passing through end of the string as shown. The tension in the string is \(\ldots\ldots\) ML.JEE Mains 2025 Hard - Which one among the following chemical tests is used to distinguish monosaccharide from disaccharide?JEE Mains 2021 Easy