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Carbonic acid (H2CO3), a diprotic acid has Ka1=4.0×10^−7 and Ka2=5.0×10^−11. What is the [HCO2−3] of a 0.025 M solution of carbonic acid?
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Nov
Carbonic acid (H2CO3), a diprotic acid has Ka1=4.0×10^−7 and Ka2=5.0×10^−11. What is the [HCO2−3] of a 0.025 M solution of carbonic acid? a diprotic acid has Ka1=4.0×10^−7 and Ka2=5.0×10^−11. What is the [HCO2−3] of a 0.025 M solution of carbonic acid? Carbonic acid (H2CO3) November 12, 2020 Category: Chapter 6 - Ionic Equilibrium (Level 1 [...]
6.0 g weak acid HA (mol. mass=60 g/mol.) is dissolved in water and formed 10 m^3 solution. If Ka(HA)=10^−9, then pOH of solution is : [Given: log 4=0.6]
12
Nov
6.0 g weak acid HA (mol. mass=60 g/mol.) is dissolved in water and formed 10 m^3 solution. If Ka(HA)=10^−9, then pOH of solution is : [Given: log 4=0.6] 6.0 g weak acid HA (mol. mass=60 g/mol.) is dissolved in water and formed 10 m^3 solution. If Ka(HA)=10^−9 then pOH of solution is : [Given: log [...]
Assertion : For the extraction of iron, haematite ore is used. Reason : Haematite is a carbonate ore of iron.
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Nov
Assertion : For the extraction of iron, haematite ore is used. Reason : Haematite is a carbonate ore of iron. Assertion : For the extraction of iron haematite ore is used. Reason : Haematite is a carbonate ore of iron. November 12, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
The [H+] of a resulting solution that is 0.01 M acetic acid (Ka=1.8×10^−5) and 0.01 M in benzoic acid (Ka=6.3×10^−5) :
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Nov
The [H+] of a resulting solution that is 0.01 M acetic acid (Ka=1.8×10^−5) and 0.01 M in benzoic acid (Ka=6.3×10^−5) : The [H+] of a resulting solution that is 0.01 M acetic acid (Ka=1.8×10^−5) and 0.01 M in benzoic acid (Ka=6.3×10^−5) : November 12, 2020 Category: Chapter 6 - Ionic Equilibrium (Level 1 and Level [...]
What is [NH+4] in a solution that contain 0.02 M NH3(Kb=1.8×10^−5) and 0.01 M KOH?
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Nov
What is [NH+4] in a solution that contain 0.02 M NH3(Kb=1.8×10^−5) and 0.01 M KOH? What is [NH+4] in a solution that contain 0.02 M NH3(Kb=1.8×10^−5) and 0.01 M KOH? November 12, 2020 Category: Chapter 6 - Ionic Equilibrium (Level 1 and Level 2) , N Awasthi Physical Chemistry ,
The one that is not a carbonate is (a) Bauxite (b) Siderite (c) Calamine (d) Malachite
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Nov
The one that is not a carbonate is (a) Bauxite (b) Siderite (c) Calamine (d) Malachite The one that is not a carbonate is (a) Bauxite (b) Siderite (c) Calamine (d) Malachite November 12, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
The ore that contains the metal in the form of fluoride is (a) Magnetite (b) Sphalerite (c) Malachite (d) Cryolite
12
Nov
The ore that contains the metal in the form of fluoride is (a) Magnetite (b) Sphalerite (c) Malachite (d) Cryolite The ore that contains the metal in the form of fluoride is (a) Magnetite (b) Sphalerite (c) Malachite (d) Cryolite November 12, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
An organ pipe of cross-sectional area 100cm2 resonates with a tuning fork of frequency 1000Hz in fundamental tone. The minimum volume of water to be drained so the pipe again resonates with the same tuning fork is (Take velocity of wave +320ms−1)
12
Nov
An organ pipe of cross-sectional area 100cm2 resonates with a tuning fork of frequency 1000Hz in fundamental tone. The minimum volume of water to be drained so the pipe again resonates with the same tuning fork is (Take velocity of wave +320ms−1) the radii are in the ratio 3:1 and the densities are in the [...]
An open pipe of length 2m is dipped in water . To what depth x is to be immersed in water so that it may resonate with a tuning fork of frequency 170Hz when vibrating in its overtone . Speed of sound in air is 340m/s
12
Nov
An open pipe of length 2m is dipped in water . To what depth x is to be immersed in water so that it may resonate with a tuning fork of frequency 170Hz when vibrating in its overtone . Speed of sound in air is 340m/s the radii are in the ratio 3:1 and the [...]
With respect to an ore, Ellingham diagram helps to predict the feasibility of its (a) Vapour phase refining (b) Zone refining (c) Electrolysis
12
Nov
With respect to an ore, Ellingham diagram helps to predict the feasibility of its (a) Vapour phase refining (b) Zone refining (c) Electrolysis Ellingham diagram helps to predict the feasibility of its (a) Vapour phase refining (b) Zone refining (c) Electrolysis With respect to an ore November 12, 2020 Category: Uncategorised (JEE Advanced Physics by [...]