Chemical & Ionic Equilibrium · JEE Main previous year questions

2002 3 questions

1. Q1612002 · 27 Apr 2002 · Shift 1

   Species acting as both Bronsted acid and base is :

   1. A.$(\mathrm{HS}{\mathrm{O}}_4{)}^{-1}$
   2. B.$\mathrm{N}{\mathrm{a}}_2\mathrm{C}{\mathrm{O}}_3$
   3. C.$\mathrm{N}{\mathrm{H}}_3$
   4. D.$\mathrm{O}{\mathrm{H}}^{-1}$
   Show answer

   Answer: A

2. Q1622002 · 27 Apr 2002 · Shift 1

   Let the solubility of an aqueous solution of $\mathrm{Mg}(\mathrm{OH}{)}_2$ be x then its $K_{sp}$ is :

   1. A.$4x^3$
   2. B.$108x^5$
   3. C.$27x^4$
   4. D.$9x$
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   Answer: A

3. Q1642002 · 27 Apr 2002 · Shift 1

   For the reaction $\mathrm{CO}(\mathrm{g})+(1/2){\mathrm{O}}_2(\mathrm{g})\leftrightharpoons \mathrm{C}{\mathrm{O}}_2(\mathrm{g})$, $K_p/K_c$ is :

   1. A.RT
   2. B.$(RT{)}^{-1}$
   3. C.$(RT{)}^{-1/2}$
   4. D.$(RT{)}^{1/2}$
   Show answer

   Answer: C