TS EAMCET · Chemistry · Some Basic Concepts of Chemistry
A litre of seawater (which weighs ) contains of dissolved oxygen. The concentration of dissolved oxygen in is:
- A
- B
- C
- D
Answer & Solution
Correct Answer
(A)
Step-by-step Solution
Detailed explanation
Required concentration = Number of parts of a component Total number of parts of all components in a solution ×106 ppm =6×10-31030g×106 =5.8 ppm
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
- The number of octahedral and tetrahedral holes respectively present in a hexagonal close packed ( \(h c p)\) crystal of ' \(X\) ' atoms areTS EAMCET 2013 Medium
- Which of the following is not correct regarding the properties of ionic compounds?TS EAMCET 2004 Medium
- A solid has hcp lattice. Atoms of \(Z\) (anions) form hcp lattice. Atoms of \(X\) (cations) occupy all the octahedral voids in the lattice. Atoms of \(Y\) (cations) occupy half of the tetrahedral voids. What is the molecular formula of the solid?TS EAMCET 2018 Medium
-

Identify the correct statements about \(\mathbb{Z}\) \(\mathrm{C}_2 \mathrm{H}_5 \mathrm{NH}_2 \xrightarrow[\mathrm{NaNO}_2 / \mathrm{HCl}]{\longrightarrow} \mathrm{X} \xrightarrow{\mathrm{H}_2 \mathrm{O}} \mathrm{Y} \xrightarrow{\mathrm{Cu} / 573 \mathrm{~K}} \mathrm{Z}\)
I. Z is an aldehyde
II. Z undergoes Cannizaro reaction
III. Z gives iodoform test
IV. Z does not give test with Tollens' reagentTS EAMCET 2024 Medium - Identify the correct statement(s) from the following: I. The catenation property of group 14 elements decreases form carbon to tin. II. Fullerene \(\left(\mathrm{C}_{60}\right)\) has 20 five-membered carbon rings and 12 six-membered carbon rings. III. \(\mathrm{SiO}_2\) is soluble in conc. \(\mathrm{NaOH}\).TS EAMCET 2019 Easy
- For a reversible reaction \(A \rightleftharpoons B\), pre-exponential factor is same for both the forward and backward reactions and has value of \(20 \mathrm{~S}^{-1}\). If the enthalpy change along the forward reaction is \(-41.5 \mathrm{~kJ} / \mathrm{mol}\), the value of equilibrium constant at \(500 \mathrm{~K}\) isTS EAMCET 2020 Easy
More PYQs from TS EAMCET
- Consider the single electrode process \(4 \mathrm{H}^{+}+4 \mathrm{e}^{-} \rightleftharpoons 2 \mathrm{H}_2\) catalysed by platinum black electrode in \(\mathrm{HCl}\) electrolyte. The potential of the electrode is \(-0.059 \mathrm{~V}\). SHE. What is the concentration of the acid in the hydrogen half cell if the \(\mathrm{H}_2\) pressure is \(1 \mathrm{bar}\) ? \[ 4 \mathrm{H}^{+}+4 e^{-} \rightleftharpoons 2 \mathrm{H}_2 \]TS EAMCET 2017 Hard
- A train with an axle of length 1.66 m is moving towards north with a speed of \(90 \mathrm{kmh}^{-1}\). If the vertical component of the earth's magnetic field is \(0.2 \times 10^{-4} \mathrm{~T}\), the emf induced across the ends of the axle of the train isTS EAMCET 2024 Medium
- If benzene diazonium chloride undergoes first order decomposition at \(\mathrm{T}(\mathrm{K})\) with a rate constant of \(6.93 \times 10^{-2}\) \(\mathrm{min}^{-1}\), the time for completion of \(90 \%\) of the reaction (in \(\min )\) is (nearest integer) \((\log 2=0.30, \log 3=0.477)\)TS EAMCET 2023 Medium
- If the mean of a poisson distribution is \(\frac{1}{2}\), then the ratio of \(P(X=3)\) to \(P(X=2)\) isTS EAMCET 2002 Medium
- \(\int_3^5(x-3)^3(5-x)^5 d x=\)TS EAMCET 2020 Hard
- A radiation of energy \(E\) falls on a perfectly reflecting surface. The momentum transferred to the surface is (let \(c \equiv\) speed of light)TS EAMCET 2020 Medium