Q. 54.0( 1 Vote )
C2H6O is the molecular formula for two compounds A and B. They have different structural formula.
i) What is this phenomenon known as?
ii) Give the structural formula of A and B.
iii) Write down their common and IUPAC names.
iv) Mention the functional groups of A and B.
Answer :
i) C2H6O is the molecular formula for two compounds A and B but have different structural formula. This phenomenon is called isomerism.
ii) The structural formula of A (CH3CH2OH) is:
The structural formula of B (CH3—O—CH3) is:
iii) Structure A
Common name: Ethyl alcohol
IUPAC name: Ethanol
Structure B
Common name: Dimethyl ether
IUPAC name: Methoxymethane
iv) The functional group of A is alcohol
The functional group of B is ether
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PREVIOUSAn organic compound (A) of molecular formula C2H6O on oxidation with alkaline KMnO4 solution gives an acid (B) with the same number of carbon atoms. Compound A is used as an antiseptic to sterilize wounds, in hospitals. Identify A and B. Write the chemical equation involved in the formation of B from A.NEXTRewrite the following choosing the correct word from each pair given in brackets:The hydrocarbons containing at least one carbon to carbon _______________ (double/triple) bond are called __________(alkenes/alkynes).They have the general formula CnH2n.These were previously called ______________(olefins/paraffins). When this compound is treated with ____________(bromine/lime) water, decolourisation occurs because it is _____________(saturated/unsaturated).
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