JEE Mains · Chemistry · STD 11 - 8.2 Organic chemistry isomerism
The total number of structural isomers possible for the substituted benzene derivatives with the molecular formula \(\mathrm{C}_9 \mathrm{H}_{12}\) is ______.
- A 8
- B 10
- C 12
- D 14
Answer & Solution
Correct Answer
(A) 8
Step-by-step Solution
Detailed explanation
\(\mathrm{MF}=\mathrm{C}_9 \mathrm{H}_{12}\)
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
- Arrange the following solutions is the decreasing order of \(pOH\) \((A)\) \(0.01 \,M\, HCl\) \((B)\) \(0.01 \,M \,NaOH\) \((C)\) \(0.01 \,M \,CH _{3} COONa\) \((D)\) \(0.01 \,M \,NaCl\)JEE Mains 2020 Easy
- Zinc reacts with hydrochloric acid to give hydrogen and zinc chloride. The volume of hydrogen gas produced at \(STP\) from the reaction of \(11.5\,g\) of zinc with excess \(HCl\) is \(..........L\) (Nearest integer) (Given : Molar mass of \(Zn\) is \(65.4\,g\,mol ^{-1}\) and Molar volume of \(H _2\) at \(STP =22.7\,L\) )JEE Mains 2023 Hard
- Compare the energies of following sets of quantum numbers for multielectron system. \((A)\) \(n=4,1=1\) \((B)\) \(\mathrm{n}=4,1=2\) \((C)\) \(\mathrm{n}=3,1=1\) \((D)\) \(\mathrm{n}=3,1=2\) \((E)\) \(n=4,1=0\) Choose the correct answer from the options given below:JEE Mains 2024 Medium
-
A perfect gas \((0.1 \mathrm{~mol})\) having \(\overline{\mathrm{C}}_{\mathrm{v}}=1.50 \mathrm{R}\) (independent of temperature) undergoes the above transformation from point 1 to point 4. If each step is reversible, the total work done (w) while going from point 1 to point 4 is \((-)\) ________ J (nearest integer) \(\left[\right.\) Given : \(\left.\mathrm{R}=0.082 \mathrm{~L} \mathrm{~atm} \mathrm{~K}^{-1} \mathrm{~mol}^{-1}\right]\)JEE Mains 2025 Medium - At temperature \(T\), the average kinetic energy of any particle is \(\frac{3}{2} KT\) . The de Broglie wavelength follows the orderJEE Mains 2015 Hard
- Match List-I with List-\(II\)
Choose the correct answer from the options given below:List-\(I\) (Complexion) List-\(II\) (Spin only magnetic moment in B.M.) \((A)\) \({\left[\mathrm{Cr}\left(\mathrm{NH}_5\right)_0\right]^{3+}}\) \((I)\) \(4.90\) \((B)\) \({\left[\mathrm{NiCl}_4\right]^{2-}}\) \((II)\) \(3.87\) \((C)\) \({\left[\mathrm{CoF}_6\right]^{3-}}\) \((III)\) \(0.0\) \((D)\) \({\left[\mathrm{Ni}(\mathrm{CN})_4\right]^{2-}}\) \((IV)\) \(2.83\) JEE Mains 2024 Medium
More PYQs from JEE Mains
- The five successive ionization enthalpies of an element are \(800,2427,3658,25024\) and \(32824\) \(kJ mol ^{-1}\). The number of valence electrons in the element isJEE Mains 2020 Hard
- The gas liberated by the electrolysis of Dipotassium succinate solution isJEE Mains 2014 Hard
- Let \(A=\{1,2,3,5,8,9\}\). Then the number of possible functions \(f : A \rightarrow A\) such that \(f(m \cdot n)=f(m) \cdot f(n)\) for every \(m, n \in A\) with \(m \cdot n \in A\) is equal to \(...............\).JEE Mains 2023 Medium
- For the following reaction at \(50°\)C and at \(2\) atm pressure,
\(2N_2O_5(g) \rightleftharpoons 2N_2O_4(g)+O_2(g)\)
\(N_2O_5\) is \(50\%\) dissociated.
The magnitude of standard free energy change at this temperature is \(x\).
\(x=\) ______ J mol\(^{-1}\) [Nearest integer].
Given: \(R=8.314\) J mol\(^{-1}\) K\(^{-1}\), \(\log 2=0.30\), \(\log 3=0.48\), \(\ln 10=2.303\), \(°C+273=K\)JEE Mains 2026 Hard - The de Broglie wavelength for an electron accelerated through the potential difference of \(V_1\) volt is \(\lambda_1\). When the potential difference is changed to \(V_2\) volt, the associated de Broglie wavelength is increased by \(50\%\). If \((V_1/V_2) = (9/\alpha)\), then the value of \(\alpha\) is __________.JEE Mains 2026 Medium
- A moving coil galvanometer allows a full scale current of \(10^{-4}\, A\). A series resistance of \(2\, M\,\Omega \) is required to convert the above galvanometer into a voltmeter of range \(0 -5\, V\). Therefore the value of shunt resistance required to convert the above galvanometer into a ammeter of range \(0-10\, mA\) is....\(\Omega \)JEE Mains 2019 Medium