(a) Give the general formula of an: (i) alkane, (ii) alkene, and (iii) alkyne.(b) Classify the following compounds as alkanes, alkenes, and alkynes:
C2H4 , C3H4 , C4H8 , C5H12 , C5H8 , C3H8 , C6H6.
(a) The general formula is given below:
(i) Alkane: CnH2n+2 (ii) Alkene: CnH2n (iii) Alkyne: CnH2n-2
(b) Given below is the classification of the following compounds:
Alkanes: C5H12, C5H8
Alkenes: C2H4, C4H8
Alkynes: C3H4, C5H8
Related Articles
- Write the molecular formula of :(i) an alkane ; (ii) an alkene ; (iii) an alkyne, each having 20 carbon atoms.
- (a) Give the name and structural formula of one member each of the following:(i) alkane ; (ii) alkene ; (iii) alkyne ; (iv) cycloalkane. (b) Give the common name of (i) ethyne, and (ii) ethene. (c) Write the molecular formula and structure of benzene.
- Which of the following will give addition reaction and why?C4H10, C2H6, C2H4, CH4, C3H8, C3H4
- (a) What is the general formula of alkenes? Identify the alkenes from the following: С2ÐÂ6, С2ÐÂ4, C3H4, C2H2, C3H6 (b) Which of the following can give addition reactions? С2ÐÂ6, C3H4, C3H6, C2H2, CH4 Give reason for your choice.
- The general formula of alkynes is ____________.
- Why certain compounds are called hydrocarbons? Write the general formula for homologous series of alkanes, alkenes and alkynes and also draw the structure of the first member of each series. Write the name of the reaction that converts alkenes into alkanes and also write a chemical equation to show the necessary conditions for the reaction to occur.
- (a) Which functional group do you think can be present in an organic compound having the molecular formula C5H10O2? Write the formula of the organic compound.(b) Give one example each of the compounds having the following functional groups: (i) Aldehyde group (ii) Alcohol group (iii) Carboxylic acid group (iv) Halo group (c) Give one example each of the compounds having the following functional groups: (i) Alkene group (ii) Alkyne group
- Which of the following are not ionic compounds?KClHClCCl4NaCl(a) (i) and (ii)(b) (ii) and (iii)(c) (iii) and (iv)(d) (i) and (iii)
- Which of the following are compounds?(i) CO (ii) No(iii) NO (iv) Co(a) (i) and (ii)(b) (ii) and (iii)(c) (i) and (iii)(d) (ii) and (iv)
- Classify the following into elements and compounds :(i) H2O(ii) He(iii) Cl2(iv) CO(v) Co
- Addition reactions are undergone by saturated hydrocarbons (alkanes)only alkenesonly alkynesboth alkenes and alkynes
- Which of the following hydrocarbons will give substitution reactions and why?CH4, C3H6, C3H8, C4H6, C5H12, C5H10
- Identify the unsaturated compounds from the followingPropanePropenePropyneChloropropane(a) (i) and (ii) (b) (ii) and (iv)(c) (iii) and (iv) (d) (ii) and (iii)
- Which of the following can have a triple bond?C2H4 ; C3H4 ; C3H6
- (a) Differentiate between alkanes and alkenes. Name and draw the structure of one member of each.(b) Alkanes generally burn with clean flame. Why?
Kickstart Your Career
Get certified by completing the course
Get Started
Data Structure
Networking
RDBMS
Operating System
Java
MS Excel
iOS
HTML
CSS
Android
Python
C Programming
C++
C#
MongoDB
MySQL
Javascript
PHP
Physics
Chemistry
Biology
Mathematics
English
Economics
Psychology
Social Studies
Fashion Studies
Legal Studies