Tetrahydroborate ion is the source of_______________?

Related Mcqs:

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

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

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. When sparingly soluble salt is in equilibrium with molar concentration of its oppositely charged ion when the product is called_________________?

   A. common ion effect B. solubility product C. dissociation constant D. dissociation constant for an acid...

4. The compound or complex ion which has a ring in its structure__________________?

   A. polydentate ligand B. chelate C. monodentate ligand D. hydrate...

5. Which of the following ion is stable in aqueous solution ?

   A. H+ B. H- C. Cl- D. All are stable...

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

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

7. Which ion will have maximum value of heat of hydration ?

   A. A1+3 B. Cs+ C. Ba+ D. Mg+2...

8. Nitronium ion is___________________?

   A. NO3 B. NO C. NO2- D. NO2+...

9. 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...

10. Oxalate ion behaves as a ________ ligand.

    A. Unidentate B. Bidentate C. Tridentate D. Hexadentate Submitted by: Aamir khan Hullio...