The pKb of dimethylamine and pka of acetic acid are 3.27 and 4.77 respectively at T (K). The correct option for the pH of dimethylammonium acetate solution is:
1. 7.75
2. 6.25
3. 8.50
4. 5.50
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following salt solutions is basic in nature?
1. Ammonium chloride
2. Ammonium sulphate
3. Ammonium nitrate
4. Sodium acetate
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe ionization constant of ammonium hydroxide is 1.77 x 10-5 at 298 K. Hydrolysis constant of ammonium Chloride is
1. 5.65 x 10-10
2. 6.50 x 10-12
3. 5.65 x 10-13
4. 5.65 x 10-12
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA weak acid, HA, has a Ka of 1.00×10-5. If 0.100 mole of this acid is dissolved in one litre of water, the percentage of acid dissociated at equilibrium is closest to :
1. 99.0%
2. 1%
3. 99.9%
4. 0.100%
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe compound with the highest pH among the following is: -
1. CH3COOK
2. Na2CO3
3. NH4Cl
4. NaNO3
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe fertilizer which makes the soil acidic is:
1.
2. Super phosphate of lime .
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology