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Avesh Bansal

Which of the following is the strongest acid?
6:13
Which of the following is the strongest acid?
Of the given anions, the strongest base is
2:27
Of the given anions, the strongest base is
CH₃NH₂ (0.1 mole, K_b = 5 × 10⁻⁴) is added to 0.08 mole of HCl and the solution is diluted to one li
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CH₃NH₂ (0.1 mole, K_b = 5 × 10⁻⁴) is added to 0.08 mole of HCl and the solution is diluted to one li
The pKₐ of acetyl salicylic acid (aspirin) is 3.5. The pH of gastric juice in human stomach is about
3:12
The pKₐ of acetyl salicylic acid (aspirin) is 3.5. The pH of gastric juice in human stomach is about
(CH₃OH₂⁺) is …… acidic than (CH₃NH₃⁺). TRUE OR FALSE
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(CH₃OH₂⁺) is …… acidic than (CH₃NH₃⁺). TRUE OR FALSE
In the reaction, I⁻ + I₂ → I₃⁻, the Lewis acid is ............
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In the reaction, I⁻ + I₂ → I₃⁻, the Lewis acid is ............
Solubility of sodium hydroxide increases with increase in ___ temperature.
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Solubility of sodium hydroxide increases with increase in ___ temperature.
The conjugate base of HSO₄⁻ in aqueous solution is ......
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The conjugate base of HSO₄⁻ in aqueous solution is ......
At 90°C, pure water has [H₃O⁺] as 10⁻⁶ mol·L⁻¹. What is the value of 𝐾𝑤 at 90°C?
1:57
At 90°C, pure water has [H₃O⁺] as 10⁻⁶ mol·L⁻¹. What is the value of 𝐾𝑤 at 90°C?
The correct order of basic nature on aqueous solution for the bases NH3, H2N–NH2, CH3CH2NH2, (CH3CH2
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The correct order of basic nature on aqueous solution for the bases NH3, H2N–NH2, CH3CH2NH2, (CH3CH2
Identify the correct statement among the following
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Identify the correct statement among the following
Given below are two statements: Statement (I): Vanillin will react with NaOH and also with Tollen’s
4:38
Given below are two statements: Statement (I): Vanillin will react with NaOH and also with Tollen’s
Among SO2, NF3, NH₃, XeF2, ClF3 and SF4, the hybridization of the molecule with non-zero dipole mome
6:54
Among SO2, NF3, NH₃, XeF2, ClF3 and SF4, the hybridization of the molecule with non-zero dipole mome
If equal volumes of AB2 and XY (both are salts) aqueous solutions are mixed, which of the following
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If equal volumes of AB2 and XY (both are salts) aqueous solutions are mixed, which of the following
Choose the correct tests with respective observations.
3:24
Choose the correct tests with respective observations.
Given below are two statements: Statement (I): In octahedral complexes, when Δ₀ less than P, high s
4:23
Given below are two statements: Statement (I): In octahedral complexes, when Δ₀ less than P, high s
Given below are two statements: Statement (I): The metallic radius of Al is less than that of Ga.
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Given below are two statements: Statement (I): The metallic radius of Al is less than that of Ga.
An acidic buffer solution can be prepared by mixing the solution of
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An acidic buffer solution can be prepared by mixing the solution of
The precipitate of CaF₂ (Ksp = 1.7 × 10⁻¹⁰) is obtained when equal volumes of which of the following
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The precipitate of CaF₂ (Ksp = 1.7 × 10⁻¹⁰) is obtained when equal volumes of which of the following
When equal volumes of the following solutions are mixed, precipitation of AgCl (Ksp = 1.8 × 10⁻¹⁰) w
3:10
When equal volumes of the following solutions are mixed, precipitation of AgCl (Ksp = 1.8 × 10⁻¹⁰) w
The Ksp of Ag₂CrO₄ is 1.1 × 10⁻¹² at 298 K. The solubility (in mol/L) of Ag₂CrO₄ in a 0.1 M AgNO₃ so
5:02
The Ksp of Ag₂CrO₄ is 1.1 × 10⁻¹² at 298 K. The solubility (in mol/L) of Ag₂CrO₄ in a 0.1 M AgNO₃ so
Which of the following statement(s) is (are) correct?
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Which of the following statement(s) is (are) correct?
CaCO₃(s) + 2HCl(aq) → CaCl₂(aq) + CO₂(g) + H₂O(l). Consider the above reaction, what mass of CaCl₂ w
5:09
CaCO₃(s) + 2HCl(aq) → CaCl₂(aq) + CO₂(g) + H₂O(l). Consider the above reaction, what mass of CaCl₂ w
A solution is made by mixing one mole of volatile liquid A with three moles of volatile liquid B. Th
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A solution is made by mixing one mole of volatile liquid A with three moles of volatile liquid B. Th
Two vessels A and B are connected via a stopcock. The vessel A is filled with a gas at a certain pre
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Two vessels A and B are connected via a stopcock. The vessel A is filled with a gas at a certain pre
According to Bohr’s model of the hydrogen atom, which of the following statements is incorrect?
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According to Bohr’s model of the hydrogen atom, which of the following statements is incorrect?
Which of the following graphs correctly represents the plots of KH (Henry’s law constant) at 1 bar f
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Which of the following graphs correctly represents the plots of KH (Henry’s law constant) at 1 bar f
The property/properties that show irregularity in the first four elements of Group-17 is/are:
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The property/properties that show irregularity in the first four elements of Group-17 is/are:
An optically active alkyl halide C₄H₉Br [A] reacts with hot KOH dissolved in ethanol and forms alken
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An optically active alkyl halide C₄H₉Br [A] reacts with hot KOH dissolved in ethanol and forms alken
Designate whether each of the following compounds is aromatic or not aromatic.
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Designate whether each of the following compounds is aromatic or not aromatic.