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Equilibrium · Question 102

AIPMT 2000MCQEasy📈 Topic in 12% papers+4−1
1

Conjugate acid of NH2- is

  1. NH4OH
  2. NH4+
  3. NH2-
  4. NH3

Answer

(4) NH3

Solution

As per NCERT (Brönsted–Lowry concept), conjugate acid = base + H+

NH2- + H+ NH3

∴ Conjugate acid of NH2- is NH3.

Answer: (4)

AIPMT 2000

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2

Which statement is wrong about pH and H+?

  1. pH of neutral water is not zero.
  2. Adding 1 N solution of CH3COOH and 1 N solution of NaOH, pH will be seven.
  3. [H+] of dilute and hot H2SO4 is more than concentrated and cold H2SO4
  4. Mixing solution of CH3COOH and HCl. pH will be less than 7.
AIPMT 2000
3

Equilibrium constant Kp for following reaction MgCO3(s) MgO(s) + CO2(g)

  1. Kp = PCO2
  2. Kp = PCO2 PCO2 PMgOPMgCO3
  3. Kp = PCO2 + PMgOPMgCO3
  4. Kp = PMgCO3PCO2 + PMgO
AIPMT 2000

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