Among the halogens the rare element is________________?

Related Mcqs:

1. When benzene is substituted by halogens only which one of the following halogens only which one of the following halogens is given the number one position in the ring while writing the name of compound ?

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

2. The most powerful oxidizing agent among the halogens is__________________?

   A. F2
   B. Cl2
   C. Br2
   D. I2

3. Among halogens the highest boiling point is of___________________?

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

4. Which one of the following halogens is present in Teflon________________?

   A. I2
   B. Br2
   C. Cl2
   D. F2

5. Which of the following statements is incorrect about halogens ?

   A. All are non-metals
   B. All the halogens have electronic conviguration ns2p5
   C. They have high electron attinity and ionization energy
   D. All the halogens react with noble gases to form their halides

6. Many properties of an element and its compounds can be predicted from the position of the element in the periodic table. What property could not be predicted in this way ?

   A. The nature of its oxides
   B. The charge on its ions
   C. The formula of its oxide
   D. Its number of isotopes

7. The most electronegative element among the following is_________________?

   A. Sb
   B. N
   C. As
   D. P

8. The strength of solution of an element whose electrode potential is to be measured is________________?

   A. 2M
   B. 1N
   C. 1m
   D. 1M

9. The element of group VIA which is a non-metal is________________?

   A. S
   B. Se
   C. Te
   D. Po

10. The atoms of same element having same atomic number but different mass number are called____________________?

    A. Isobars
    B. Isomers
    C. Isotopes
    D. Isotropes