Which of the following ion is stable in aqueous solution ?

Related Mcqs:

1. Which one of the following gives white precipitate with aqueous solution of BaCl2?

   A. NaHCO3 B. NaNO3 C. Na2CO3 D. Na2CrO4...

2. A solution has pH = 0 its H+ ion concentration is__________________?

   A. 1 x 10-1 B. 1 x 10-14 C. 1 x 10-7 D. 1...

3. A scale which used to measure the Hydrogen Ion concentration in a solution is known as__________?

   A. Thermometer B. Viscometer C. PH Scale D. Stagmometer Submitted by: Ali Jan...

4. When 0.5 mole of phosphoric acid is dissolved in aqueous solution how many moles of -ve and +ve ions are collected altogether ?

   A. 0.5 B. 1 C. 1.5 D. 2...

5. The pH of 10-3 mol dm-3 of an aqueous solution of H2SO4 is_________________?

   A. 3 B. 2.7 C. 2 D. 1.5...

6. Aqueous solution of borax above 62°C gives crystals of________________?

   A. Na2B4O7.4H2O B. Na2B4O7.5H2O C. Na2B4O7.2H2O D. Na2B4O7.10H2O...

7. 58.5g of of NaCl per 1 dm3 of solution of NaCl in water the concentration of solution will be___________________?

   A. 0.1 M B. 1 m C. 1 M D. 0.1 N...

8. Which of the following ion formation is always exothermic ?

   A. Uni-negative B. Uni-positive C. Di-negative D. Di-positive...

9. Addition of 2nd electron to a uni negative ion is always____________________?

   A. Exothermic B. Endothermic C. Data is insufficient D. Unpredictable...

10. Which of the following aqueous solutions would have the highest boiling point?

    A. 0.20 m glucose B. 0.20 m NaCl C. 0.15 m CaCl2 D. 0.25 m sucrose Submitted by: Muhammad Ali Kunbhar...