The halogen which reacts spontaneously with gold (Au) to form Au+3 is ________________?

Related Mcqs:

1. The halogen which reacts very slowly with halogen is________________?

   A. Fluorine
   B. Chlorine
   C. Bromine
   D. Iodine

2. The halogen having highest electron affinity is_____________________?

   A. Fluorine
   B. Chlorine
   C. Bromine
   D. Iodine

3. Which of the halogen can displace other three elements ?

   A. Flourine
   B. Chlorine
   C. Iodine
   D. Bromine

4. Which of the halogen has highest electronegativity ?

   A. Fluorine
   B. Chlorine
   C. Bromine
   D. Iodine

5. Halides in which halogen atoms act as a bridge between two atoms of the other element are called___________________?

   A. Covalent halides
   B. Electronegative halides
   C. Polymeric halides
   D. Polymeric hydrides

6. Removal of halogen and hydrogen atom is_________________?

   A. halogenation
   B. dehalogenation
   C. dehydrohalogenation
   D. hydrohalogenation

7. In primary alkyl halides the halogen atom is attached to a carbon which is further attached to how many carbon atoms__________________?

   A. two
   B. three
   C. one
   D. four

8. Compound containing two halogen atoms on two adjacent carbon atoms are called as ___________?

   A. Glycols
   B. Vicinal dihalides
   C. Geminal dihalides
   D. Diols

   Submitted by: Aamir khan Hullio

9. Carboxylic acid reacts with ammonia to form ammonium salts which on heating produces_______________?

   A. CO2
   B. Alkane
   C. Ester
   D. Acidamide

10. Which one of the following molecules does not form alcohol when reacts with Grignard reagent ?

    A. formaldehyde
    B. acetaldehyde
    C. propanone
    D. carbondioxide