NDA CHEMISTRY QUIZ - 23

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Question 1:

Which of the following compound does not obey octet rule ?

  1. SF2
  2. SF4
  3. SF6
  4. SO2

Question 2:

Ionic bond, also called electrovalent bond, type of linkage formed from the electrostatic attraction between oppositely charged ions in a chemical compound. Ionic bond is formed more easily with elements having 

Question 3:

Match List I and List II

Question 4:

Dipole moment which can be defined as the product of the magnitude of the charge and the distance between the centers of positive and negative charge. Which of the following has the least dipole moment?

Question 5:

Which type of bond is present between carbon and chlorine in carbon tetrachloride ?

Question 6:

Which of the following is the odd electron species ?

  1. NO
  2. NO2
  3. PF5
  4. NH3

Question 7:

Which of the following statement is not correct ?

Question 8:

The boiling point of compounds depends to a large extent on the strength of hydrogen bond and the number of hydrogen bonds. The correct increasing order of the boiling points of above compounds is

Question 9:

Which one of the following is not the drawback of octet theory ?

Question 10:

Which of the following condition is necessary for the formation of hydrogen bond ?

  1. Presence of H-atom
  2. Presence of Non metal
  3. Presence of highly electronegative element like N , F and O attached to hydrogen atom
  4. Presence of metal attached to hydrogen atom