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Fill in the following blanks with suitable words : (a) The form of carbon which is known as black lead is ___ (b) The form of carbon which is used as a lubricant at high temperature is ___ (c) Compounds of carbon with hydrogen alone are called ___ (d) CnH2n is the general formula of ___ hydrocarbons. (e) Hydrocarbons having the general formula CnH2n−2 are called ___ (f) Ethene and ethyne are examples of ___ hydrocarbons. (g) Ethyne has ___ carbon-hydrogen single bonds. (h) Carbon compounds have usually ___ melting points and boiling points because they are ___ in nature. (i) The property of carbon atoms to form long chains in compounds is called ___ (j) The general formula CnH2n for cycloalkanes is the same as that of ___ (k) The IUPAC name of ethylene is ___ (l) The IUPAC name of acetylene is ___

Answer» Fill in the following blanks with suitable words :
(a) The form of carbon which is known as black lead is ___
(b) The form of carbon which is used as a lubricant at high temperature is ___
(c) Compounds of carbon with hydrogen alone are called ___
(d) CnH2n is the general formula of ___ hydrocarbons.
(e) Hydrocarbons having the general formula CnH2n−2 are called ___
(f) Ethene and ethyne are examples of ___ hydrocarbons.
(g) Ethyne has ___ carbon-hydrogen single bonds.
(h) Carbon compounds have usually ___ melting points and boiling points because they are ___ in nature.
(i) The property of carbon atoms to form long chains in compounds is called ___
(j) The general formula CnH2n for cycloalkanes is the same as that of ___
(k) The IUPAC name of ethylene is ___
(l) The IUPAC name of acetylene is ___


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