Graphite
Trending Questions
Q. 41.mole fraction of diamond is
Q. 3. Which of the following is correct statement regarding PCl5? (1) Hybridization of P-atom is sp3d2 in gaseous state and sp3 in solid state (2) All P-Cl bonds are having same bond length (3) Coordination number of P-atom is 5 in solid PCl5 (4) All of these
Q. in diamond , carbon atom occupy fcc lattice points as well alternate tetrahederal voids . if edge length of the unit cell is 3.56 pm , then radius of carbon atom is ?
Q. Choose the correct statment(s) for graphite :
- Graphite is used as a dry lubricant
- Each C atom in hexagonal ring make three sigma bonds with neighboring C atoms
- Electrons are immobile and localized over the whole sheet.
- Electrons are mobile and localized over the whole sheet
Q. 12.8n compounds x, all the bond angels are exactly 109^° 28. X is : 1. Chloromethane 2. Carbon tetrachloride 3. Iodoform 4. Chloroform
Q. Why does co2 have 3 resonating structures of 2pi bonds have to be distributed to 2 places (each place will have 1pi bond )?
Co2 should not have any resonating structures ?
Q.
The hybrid states of C in diamond and graphite are respectively:
sp2, sp3
sp3, sp2
sp2, sp2
sp3, sp3
Q. A Graphite has a layer like structure.
B. The distance between two layers in graphite is 20 pm
C. Each layer is composed of planar hexagonal rings
Which of the above statement (s) is /are true?
B. The distance between two layers in graphite is 20 pm
C. Each layer is composed of planar hexagonal rings
Which of the above statement (s) is /are true?
- A & C
- A & B
- only A
- A, B & C
Q. Interlayer distance in graphite is:
- Very small, the layers being tightly packed
- Many times larger than the covalent radius of carbon
- More than twice the covalent radius of carbon
- The same as the covalent radius of carbon
Q.
why does lithium show anomalous property?
Q. With respect to diamond and graphite, which of the statements given below is/are correct?
- Graphite is harder than diamond.
- Graphite has higher electrical conductivity than diamond
- Graphite has higher thermal conducitivity than diamond.
- Graphite has higher C - C bond order than diamond