AIIMS Last 24 Years Solved 1996 – 2019 Physics and Chemistry Video Solutions
Sahay Sir > Question Answers > AIIMS Last 24 Years Solved 1996 - 2019 Physics and Chemistry Video Solutions
Assertion (A) : Aqueous solution of ammonium carbonate is basic. Reason (R) : Acidic/basic nature of a salt solution of a salt of weak acid and weak base depends on Ka and Kb value of the acid and the base forming it.
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Nov
Assertion (A) : Aqueous solution of ammonium carbonate is basic. Reason (R) : Acidic/basic nature of a salt solution of a salt of weak acid and weak base depends on Ka and Kb value of the acid and the base forming it. Assertion: pH of HCl solution is less than that of acetic acid of [...]
Assertion (A): The ionisation of hydrogen sulphide in water is low in the presence of HCL. Reason (R) : H2s is a weak acid.
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Nov
Assertion (A): The ionisation of hydrogen sulphide in water is low in the presence of HCL. Reason (R) : H2s is a weak acid. Assertion (A): The ionisation of hydrogen sulphide in water is low in the presence of HCL. Reason (R) : H2s is a weak acid. November 16, 2020 Category: AIIMS Last 24 [...]
Assertion: pH of neutral solution is always 7. Reason: pH of a solution does not depend upon temperature.
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Nov
Assertion: pH of neutral solution is always 7. Reason: pH of a solution does not depend upon temperature. Assertion: pH of neutral solution is always 7. Reason: pH of a solution does not depend upon temperature. November 16, 2020 Category: AIIMS Last 24 Years Solved 1996 - 2019 Physics and Chemistry Video Solutions , Chapter [...]
Assertion: In an acid-base titration involving strong base and a weak acid, methyl orange can be used as an indicator. Reason: Methyl orange changes its colour in pH range of 7 to 9.
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Nov
Assertion: In an acid-base titration involving strong base and a weak acid, methyl orange can be used as an indicator. Reason: Methyl orange changes its colour in pH range of 7 to 9. Assertion: In an acid-base titration involving strong base and a weak acid methyl orange can be used as an indicator. Reason: Methyl [...]
Assertion On addition of NH4Cl to NH4OH solution, pH decreases but remains greater than 7. Reason Addition of NH+4 ion decreases ionisation of NH4OH thus [OH−] is decreased, hence pH decreases.
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Nov
Assertion On addition of NH4Cl to NH4OH solution, pH decreases but remains greater than 7. Reason Addition of NH+4 ion decreases ionisation of NH4OH thus [OH−] is decreased, hence pH decreases. Assertion On addition of NH4Cl to NH4OH solution hence pH decreases. pH decreases but remains greater than 7. Reason Addition of NH+4 ion decreases [...]
Assertion: pH of HCl solution is less than that of acetic acid of the some concentration. Reason: In equimolar solution, the number of titrable protons present in HCI is less than that present in acetic acid.
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Nov
Assertion: pH of HCl solution is less than that of acetic acid of the some concentration. Reason: In equimolar solution, the number of titrable protons present in HCI is less than that present in acetic acid. Assertion: pH of HCl solution is less than that of acetic acid of the some concentration. Reason: In equimolar [...]
Assertion (A) : Adding inert gas to dissociation equilibrium of N2O4 at constant pressure and temperature increases the dissociation. Reason (R) : Due to the additional of inert gas molar concentration of the reactants and products decreases.
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Nov
Assertion (A) : Adding inert gas to dissociation equilibrium of N2O4 at constant pressure and temperature increases the dissociation. Reason (R) : Due to the additional of inert gas molar concentration of the reactants and products decreases. In which of the following reaction Kp > Kc ? November 16, 2020 Category: AIIMS Last 24 Years [...]
Assertion Buffer solution are composed of strong acids and strong bases. Reason It maintain the pH to a constant value of 7.4
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Nov
Assertion Buffer solution are composed of strong acids and strong bases. Reason It maintain the pH to a constant value of 7.4 Assertion Buffer solution are composed of strong acids and strong bases. Reason It maintain the pH to a constant value of 7.4 November 16, 2020 Category: AIIMS Last 24 Years Solved 1996 - [...]
Which of the following is a Lewis acid ?
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Nov
Which of the following is a Lewis acid ? Which of the following is a Lewis acid ? November 16, 2020 Category: AIIMS Last 24 Years Solved 1996 - 2019 Physics and Chemistry Video Solutions , Chapter 7 - Equilibrium , Chemistry ,
A buffer solution contains 0.1 M of acetic acid and 0.1 M of sodium acetate. What will be its pH ? if pKa of acetic acid is 4.75?
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Nov
A buffer solution contains 0.1 M of acetic acid and 0.1 M of sodium acetate. What will be its pH ? if pKa of acetic acid is 4.75? A buffer solution contains 0.1 M of acetic acid and 0.1 M of sodium acetate. What will be its pH ? if pKa of acetic acid is [...]