COMEDK · Chemistry · 5. States of Matter
The \(\mathrm{RMS}\) velocity of \(\mathrm{CH}_{4}, \mathrm{He}\) and \(\mathrm{SO}_{2}\) are in the ratio of
- A \(16: 4: 64\)
- B \(2: 1: 4\)
- C \(2: 4: 1\)
- D \(1: 4: 2\)
Answer & Solution
Correct Answer
(C) \(2: 4: 1\)
Step-by-step Solution
Detailed explanation
\(v_{\mathrm{rms}}=\sqrt{\frac{3 R T}{M}}\) \(v_{\mathrm{rms}} \propto \frac{1}{\sqrt{M}}\), where \(M=\) molecular mass…
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
- Match the IUPAC names in Column II with the correct structures given in Column I.
Structures of compounds. IUPAC name A 
P 1-Bromomethyl-3-(2,2-dimethylpropyl)benzene B 
Q 1-Bromo-4-(1-methylethyl)benzene C 
R 1-Bromo-2-(1-methylpropyl)benzene D 
S 1-Bromo-4-(2-methylpropyl)benzene COMEDK 2025 Medium - Which of the following inert gas compounds is not formed?COMEDK 2014 Easy
- The number of antibonding electron pairs in \(\mathrm{O}_{2}^{2-}\) molecular ion on the basis of molecular orbital theory is
[Atomic number of \(\mathrm{O}\) is 18 ]COMEDK 2020 Medium - Among the following, which is least acidic?COMEDK 2017 Easy
- Arrange the following compounds in the decreasing order of their acidic strength.
(I) m-cresol
(II) Phenol
(III) m-aminophenol
(IV) m-methoxyphenolCOMEDK 2024 Medium - What will be the change in the electrode potential of chromium electrode dipping into chromic sulphate solution, when the electrolyte is diluted 10 times at \(25^\circ\)C? [ \(E^0\ (\text{Cr}^{3+}/\text{Cr})] = -0.74\)VCOMEDK 2026 Medium
More PYQs from COMEDK
- \(15 \mathrm{~g}\) of \(\mathrm{CaCO}_3\) completely reacts withCOMEDK 2023 Medium
- Which of the following is not a group with respect to the given operation?COMEDK 2020 Medium
- In the series \(L-C-R\) circuit shown, the impedance is
COMEDK 2023 Easy - A galvanometer of resistance \(50 \Omega\) is connected to a battery of 4 V along with a resistance of \(3950 \Omega\) in series. A full-scale deflection of 30 divisions is obtained in the galvanometer. In order to reduce this deflection to 10 divisions, the resistance in series should be equal to:COMEDK 2025 Medium
- Figure below shows a lens of refractive index, \(\mu=1.4\). \(C_1\) and \(C_2\) are the centres of curvature of the two faces of the lens of radii of curvature \(4 \mathrm{~cm}\) and \(8 \mathrm{~cm}\) respectively.
The lens behaves as aCOMEDK 2024 Medium - A beam of light of wavelength \(600 \mathrm{~nm}\) from a source falls on a single slit \(1 \mathrm{~mm}\) wide and the resulting diffraction pattern is observed on a screen \(2 \mathrm{~m}\) away. The distance between the first dark fringes on either side of the central bright fringe isCOMEDK 2013 Medium