Advertisements
Advertisements
प्रश्न
Name the element whose one of the allotropic forms is buckminsterfullerene.
Advertisements
उत्तर
Carbon has buckminsterfullerene as one of its allotropes.
APPEARS IN
संबंधित प्रश्न
Ethane, with the molecular formula C2H6 has ______.
Butanone is a four-carbon compound with the functional group:
Why are most carbon compounds poor conductors of electricity?
What type of bonds are present in CO2 molecule? Draw their electron-dot structures.
Fill in the following blank with suitable word:
The general formula CnH2n for cycloalkanes is the same as that of ...........
What is a covalent bond?
Name one covalent compound containing chlorine.
Using electron-dot diagrams which show only the outermost shell electrons, show how a molecule of oxygen, O2, is formed from two oxygen atoms. What name is given to this type of bonding? (At. No. of oxygen = 8)
The solution of one of the following compounds will not conduct electricity. This compounds is:
(a) NaCl
(b) CCl4
(c) MgCl2
(d) CaCl2
The organic compound prepared by Wohler from an inorganic compound called ammonium cyanate was:
(a) glucose
(b) urea
(c) uric acid
(d) vinegar
One of the following is not an allotrope of carbon. This is:
(a) diamond
(b) graphite
(c) cumene
(d) buckministerfullerene
The pencil leads are made of mainly:
(a) lithium
(b) charcoal
(c) lead
(d) graphite
Explain the following briefly:
Cl2 is a non polar molecule, while HCl is a polar molecule.
What is the term defined below?
A bond formed by a shared pair of electrons, each bonding atom contributing one electron to the pair.
Generally, the melting and boiling point of carbon compounds are found to be less than _______ °C.
Considering MgCl2 as ionic compound and CH4 as covalent compound give any two differences between these two compounds.
Which of the following is the purest form of carbon?
Acetic acid was added to a solid X kept in a test tube. A colourless, odourless gas Y was evolved. The gas was passed through lime water, which turned milky. It was concluded that ______.
The I.U.P.A.C name of CH3CH2CH = CH2 is?
______ is an example of a covalent compound having a high melting point.
