TS EAMCET · Chemistry · General Organic Chemistry
The correct order of \(\mathrm{pK}_{\mathrm{a}}\) of the following is
- A (I) < (II) < (III) < (IV)
- B (III) < (II) < (I) < (IV)
- C (II) < (I) < (III) < (IV)
- D (II) < (III) < (I) < (IV)
Answer & Solution
Correct Answer
(C) (II) < (I) < (III) < (IV)
Step-by-step Solution
Detailed explanation
Order of electron withdrawing effect \((-\mathrm{I})\) : \(\mathrm{NO}_2>\mathrm{CN}>\mathrm{F}>\mathrm{Cl}\) \(\therefore \quad\) Stability of conjugate bases:…
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
- How many ' \(\mathrm{mL}\) ' of perhydrol is required to produce sufficient oxygen which can be used to completely convert \(2 \mathrm{~L}\) of \(\mathrm{SO}_2\) gas to \(\mathrm{SO}_3\) gas?TS EAMCET 2009 Easy
- Which of the following does not show Tyndall effect?TS EAMCET 2022 Easy
- Identify the correct set of \(\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_6\right]^{3+}\) ion. (hybridisation of \(\mathrm{Co}^{3+}\), type of complex, number of unpaired electrons in the complex ion respectively)TS EAMCET 2023 Medium
- Assertion (A) : A catalyst increases the rate of a reaction. Reason (R) : In presence of a catalyst, the activation energy of the reaction increases. The correct answer isTS EAMCET 2007 Easy
- 0.43 g of a metal of valence 2 was dissolved in 50 mL of \(0.5 \mathrm{M} \mathrm{H}_2 \mathrm{SO}_4\) solution. The unreacted acid required 14.2 mL of 1 M NaOH solution for neutralization. The atomic weight of the metal isTS EAMCET 2024 Hard
- The disperse phase, dispersion medium and nature of colloidal solution (lyophilic or lyophobic) of 'gold sol' respectively are :TS EAMCET 2006 Easy
More PYQs from TS EAMCET
- An object is attached to the bottom of a light vertical spring and set vibrating. The maximum speed of the object is \(15 \mathrm{~cm} / \mathrm{s}\) and the period is 628 milli-seconds. The amplitude of the motion in cm is:TS EAMCET 2003 Medium
- The hybridisation of Xe and the number of lone pairs of electrons on it in \(\mathrm{XeF}_6\) areTS EAMCET 2011 Easy
- The hybridisation of \(\mathrm{Xe}\) in \(\mathrm{XeO}_3\) isTS EAMCET 2020 Medium
- When \(|x| < \frac{1}{2}\) the coefficient of \(x^6\) in the expansion of \(\left(\frac{2-x}{1+2 x}\right)^2\) isTS EAMCET 2025 Medium
- Work functions of four metals \(\mathrm{M}_1, \mathrm{M}_2, \mathrm{M}_3\) and \(\mathrm{M}_4\) are \(4.8,4.3,4.75\) and 3.75 eV respectively. The metals which do not show photoelectric effect when light of wavelength 310 nm falls on the metals areTS EAMCET 2025 Medium
- Choose the correct statement.TS EAMCET 2020 Easy