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P-block elements( Carbon Family)
P-Block
elements (Carbon Family)
Name:
_____________________________________
Std.: XI Science
Roll No.: ____________________________
Total Marks: 25
Q.1. Fill in the blanks: 6
m
1. Electronic Configuration of Sn is
_____________.
2. _________ are used in making
transistors and semiconductors. 3. ____
isotope of C is Radioactive.
4. ___ Oxidation state decreases down the Group. 5.
Yellow Form of PbO is called __________. 6. _______ is used in making printing Ink.
Q.2. Give Molecular formula of: 3 m 1. Iron
PentaCarbonyl 2.Orthosilic Acid 3. Water Gas
Q.3. Answer in One sentence each: 4 m 1. How does Tin
react with water?
2.
What is Silicone? 3. Which alloy is used to make
permanent magnets? Give its composition.
4. How does ionization-enthalpy vary in group 13th?
Q.4. Write a note on: (Any 2) 6 m
1. Diamond 2. Graphite 3. Fullerene
Q.5. Answer in Brief: (Any 3) 6 m
1. Give uses
of SiO2. Also give its uses.
2. Explain the
Preparation of: a) CO and b) CO2
3. Give physical and chemical properties of
Carbon Along with its uses.
4. Explain the anomalous properties shown by Carbon.
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