The type of hybridisation of boron in diborane is______?

Related Mcqs:

1. Boron is non metal while other elements of IIIA group are metals. This is because______________?

   A. it has small size
   B. it has high nuclear charge
   C. it forms molecular addition compounds
   D. all of the above

2. Boron is non-netal whereas A1 is metal. It is due to_______________________?

   A. Small size
   B. High nuclear charge
   C. Both A and B
   D. No authorized justification yet

3. One of the outstanding features of boron is its ability to form__________________?

   A. Molecular addition compounds
   B. Molecular crystals
   C. Semiconductors
   D. Ionic compounds

4. Boron in soil has been considered micronutrient for_________________?

   A. Soil porocity
   B. Proper growth of plants
   C. Alkalinity of soil
   D. All

5. Gypsum is______?

   A. CaSO4
   B. CaSO4.1/2H2O
   C. CaSO4,2H2O
   D. CaSO4.3H2O

   Submitted by: Muhammad Ali Kunbhar

6. Value of normal atmospheric pressure at sea level at 0°C is______?

   A. 1 atm
   B. 760 Torr
   C. 76cm of Hg
   D. All of these 

   Submitted by: Zahid Jagirani

7. Which type of bond is formed by overlap of p orbitals _______________?

   A. Pi
   B. Sigma
   C. Both
   D. Neither

8. Alkyl halides undergo a type of reaction_________________?

   A. Nucleophilic substitution
   B. Nucleophilic addition
   C. Elimination
   D. both A & C

9. Polyethylene Glycols are used in the preparation of which type of detergents?

   A. Cationic detergents
   B. Anionic detergents
   C. Non-ionic detergents soap
   D. All of above

   Submitted by: Muhammad Ali Kunbhar

10. Aldehydes and ketones both, show the type of Isomerism is __________?

    A. chain Isomerism
    B. Functional Group Isomerism
    C. Metamerism
    D. Position Isomerism

    Submitted by: Aamir khan Hullio