Saturday, December 27, 2014

carbon and its compounds


Question .1. (i) What is the special feature of the structure of : (a) C2H4 (b) C2H2.
(ii) What type of reaction is common to both these compounds?
(iii) Give the name and structural formula of (a) a saturated hydrocarbon, (b) an unsaturated hydrocarbon with a double bond.  
(iv) Copy and complete the following sentence: A saturated hydrocarbon will undergo _________ reactions whereas the typical reaction of an unsaturated hydrocarbon is _________. 
(v) State the term defined by the following :- Compounds containing carbon and hydrogen only.
(vi) State the general formula for a saturated hydrocarbon and give one example and structural formula of the same.
(vii) Draw the structural formula of ethyne. How does the structure of alkynes differ from that of alkenes.
(viii) Fill in the blanks with the correct words : – Alkanes are the (a) _______ [analogous / homologous] series of (b) _______ [saturated / unsaturated] hydrocarbons. They differ from alkanes due to the presence of (c) _________ [double / single] bonds. Alkenes mainly undergo (d) ________ [addition / substiution] reactions.  

Question .2. (i) State the structural formula of ethane.
(ii) Draw the structural formula of the two isomers of Butane. Give the correct IUPAC name of each.
(iii) From the following list, write down the appropriate words to fill in the blanks (a) to (e) below: -
Addition, carbohydrates, CnH2n-2, CnH2n, CnH2n+2, electrochemical, homologus, hydrocarbons, saturated, substitution, unsaturated.
The alkane from an (a) ________ series with the general formula (b) __________. The alkanes are (c) __________ (d) __________ which generally undergo (e) ___________ reaction.


Question 3.Draw  the structure of cyclic Propane

Questions4. Nomeclature of Hydrocarbons. click below link
http://scienceworksheets.blogspot.in/2013/10/chemistry-organice-nomenclature-of.html

No comments:

Post a Comment

Find Least Common Multiple (LCM). 1) 5 and 15 = ...