Chemistry
Assertion: On mixing 500 mL of 10^−6M Ca^2+ ion and 500 mL of 10^−6 MF^−1 ion, the precipitate of CaF2 will be obtained. Ksp(CaF2=10^−18) Reason: If Ksp is greater than ionic product, a precipitate will develop.
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Nov
Assertion: On mixing 500 mL of 10^−6M Ca^2+ ion and 500 mL of 10^−6 MF^−1 ion, the precipitate of CaF2 will be obtained. Ksp(CaF2=10^−18) Reason: If Ksp is greater than ionic product, a precipitate will develop. a precipitate will develop. Assertion: On mixing 500 mL of 10^−6M Ca^2+ ion and 500 mL of 10^−6 MF^−1 [...]
Assertion : For the reaction N2(g)+3H2(g)⇔2NH3(g) Unit of Kc = L^2 mol^−2 Reason: For the reaction N2(g)+3H2(g)⇔2NH3(g) Equilibrium constant, Kc=[NH3]^2/[N2][H2]^3
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Nov
Assertion : For the reaction N2(g)+3H2(g)⇔2NH3(g) Unit of Kc = L^2 mol^−2 Reason: For the reaction N2(g)+3H2(g)⇔2NH3(g) Equilibrium constant, Kc=[NH3]^2/[N2][H2]^3 Assertion : For the reaction N2(g)+3H2(g)⇔2NH3(g) Unit of Kc = L^2 mol^−2 Reason: For the reaction N2(g)+3H2(g)⇔2NH3(g) Equilibrium constant Kc=[NH3]^2/[N2][H2]^3 November 16, 2020 Category: AIIMS Last 24 Years Solved 1996 - 2019 Physics and Chemistry [...]
Assertion: NaCl is precipitated when HCl gas is passed in a saturated solution of NaCl . Reason: HCl is strong acid.
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Nov
Assertion: NaCl is precipitated when HCl gas is passed in a saturated solution of NaCl . Reason: HCl is strong acid. Assertion: NaCl is precipitated when HCl gas is passed in a saturated solution of NaCl . Reason: HCl is strong acid. November 16, 2020 Category: AIIMS Last 24 Years Solved 1996 - 2019 Physics [...]
Assertion: For the reaction, 2NO(g)+O2(g)⇌2NO2(g), increase in pressure favours the formation of NO2 Reason: The reaction is exothermic.
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Nov
Assertion: For the reaction, 2NO(g)+O2(g)⇌2NO2(g), increase in pressure favours the formation of NO2 Reason: The reaction is exothermic. 2NO(g)+O2(g)⇌2NO2(g) Assertion: For the reaction increase in pressure favours the formation of NO2 Reason: The reaction is exothermic. November 16, 2020 Category: AIIMS Last 24 Years Solved 1996 - 2019 Physics and Chemistry Video Solutions , Chapter [...]
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.
16
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 [...]