COMEDK · Chemistry · 8. Ionic Equilibrium
The \(\mathrm{pH}\) of a mixture of \(10 \mathrm{~mL}\) of \(0.1 \mathrm{M} \mathrm{H}_{2} \mathrm{SO}_{4}\). \(5 \mathrm{~mL}\) of \(0.2 \mathrm{~N} \mathrm{HCl}\) and \(5 \mathrm{~mL}\) of \(0.1 \mathrm{M} \mathrm{Ca}(\mathrm{OH})_{2}\) is
- A 1
- B \(0.5\)
- C 0
- D \(1.5\)
Answer & Solution
Correct Answer
(A) 1
Step-by-step Solution
Detailed explanation
Millimoles of \(\mathrm{H}^{+}=N_{1} V_{1}+N_{2} V_{2}\) \(10 \times 0.1 \times 2+5 \times 0.2=2+1=3\) Millimoles of \(\mathrm{OH}^{-}=\mathrm{N}_{3} V_{3}\) \(=0.1 \times 5 \times 2=1\) \(\therefore\) After neutralisation millimoles of \(\mathrm{H}^{+}\)left \(=3-1=2\)…
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
- Mercury is a liquid metal becauseCOMEDK 2017 Easy
- Which one of the following compounds will give a yellow precipitate when reacted with \(\mathrm{I}_2 / \mathrm{NaOH}\) ?COMEDK 2025 Easy
- Which of the following pairs of ions in iso-electronic and iso-structural?COMEDK 2021 Medium
- 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 - 20 g of \(\mathrm{N}_2\) is made to react with 5 g of \(\mathrm{H}_2\) to give ammonia. The limiting reagent and number of moles of \(\mathrm{NH}_3\) formed respectively are:COMEDK 2025 Medium
- Sodium cyanide is added as a depressant in the froth floatation process when the ore contains a mixture of \(\mathrm{ZnS}\) and PbS. This is becauseCOMEDK 2014 Hard
More PYQs from COMEDK
- The refractive index and the permeability of a medium are respectively \(1.5\) and \(5 \times 10^{-7} \mathrm{Hm}^{-1}\). The relative permittivity of the medium is nearlyCOMEDK 2015 Medium
- The molar conductivity of the complex \(\mathrm{CoCl}_3 \cdot 4 \mathrm{NH}_3 \cdot 2 \mathrm{H}_2 \mathrm{O}\) is found to be the same as that of a \(1: 3\) electrolyte. The structural formula of the compound is :COMEDK 2024 Medium
- Two co-axial lenses of power \(+4 \mathrm{D}\) and \(-2 \mathrm{D}\) are placed in contact. The focal length of combination isCOMEDK 2016 Medium
- The relationship between the force \(F\) and position \(x\) of a body is as shown in the figure. The work done in displacing the body from \(x=1 \mathrm{~m}\) to \(x=5 \mathrm{~m}\) will be
COMEDK 2017 Easy - \(\mathrm{N}_{2}+3 \mathrm{H}_{2} \rightleftharpoons 2 \mathrm{NH}_{3}+\) Heat. What is the effect of the increase of temperature on the equilibrium of the reaction?COMEDK 2017 Easy
- In the group \(G=\{1,5,7,11\}\) under \(\otimes_{12}\) the value of \(7 \otimes_{12} 1 \hat{l}^{-1}\) is equal toCOMEDK 2012 Medium