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Equilibrium

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

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)

Keep practising — Equilibrium

Ques. 2AIPMT 2000

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.
Ques. 3AIPMT 2000

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

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