MEDIUM
11th CBSE
IMPORTANT
Earn 100

Give the composition and uses of the following alloy:
Magnalium

Important Questions on Some p-Block Elements

EASY
11th CBSE
IMPORTANT
Pradeep's New Course CHEMISTRY Vol.II>Chapter 11 - Some p-Block Elements>ADDITIONAL QUESTIONS>Q I
Give the composition and uses of the following alloy.
Duralumin
EASY
11th CBSE
IMPORTANT
Pradeep's New Course CHEMISTRY Vol.II>Chapter 11 - Some p-Block Elements>ADDITIONAL QUESTIONS>Q II
List some uses of boron and its compounds.
EASY
11th CBSE
IMPORTANT
Pradeep's New Course CHEMISTRY Vol.II>Chapter 11 - Some p-Block Elements>ADDITIONAL QUESTIONS>Q II
Name the elements present in group 14. What is their general valence configuration?
HARD
11th CBSE
IMPORTANT
Pradeep's New Course CHEMISTRY Vol.II>Chapter 11 - Some p-Block Elements>ADDITIONAL QUESTIONS>Q II
Account for the following:
C and Si are tetravalent but Ge, Sn and Pb show divalency.
HARD
11th CBSE
IMPORTANT
Pradeep's New Course CHEMISTRY Vol.II>Chapter 11 - Some p-Block Elements>ADDITIONAL QUESTIONS>Q II
Account for the following:
CCl4 is resistant to hydrolysis.
HARD
11th CBSE
IMPORTANT
Pradeep's New Course CHEMISTRY Vol.II>Chapter 11 - Some p-Block Elements>ADDITIONAL QUESTIONS>Q II
PbCl4 is less stable than SnCl4 but PbCl2 is more stable than SnCl2. Justify.
HARD
11th CBSE
IMPORTANT
Pradeep's New Course CHEMISTRY Vol.II>Chapter 11 - Some p-Block Elements>ADDITIONAL QUESTIONS>Q II
Give two characteristic differences between C and Si based on the absence of d-orbitals in its valence shell.
HARD
11th CBSE
IMPORTANT
Pradeep's New Course CHEMISTRY Vol.II>Chapter 11 - Some p-Block Elements>ADDITIONAL QUESTIONS>Q II
What is catenation? How does catenation vary in the 14th group?