Test: Nomenclature Of Organic Compounds


5 Questions MCQ Test Science Class 10 | Test: Nomenclature Of Organic Compounds


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QUESTION: 1

Butanone is a four carbon compound with functional group:

Solution:

Butanone is a four- carbon compound with the functional group ketone. Batan- one 
:- one is the suffix used for the functional group ketone.

QUESTION: 2

Which of the following is unsaturated compound?​

Solution:

C4H8  is an alkene with the general formula ; CnH2n  and thus an unsaturated compound.

QUESTION: 3

-CHO represents the functional group of:

Solution:

The carbonyl group of an aldehyde is commonly represented as (CHO) . So, CHO represents the functional group of aldehydes.

QUESTION: 4

The difference in the formula and molecular masses of CH3OH and C2H5OH is:​

Solution:

C2H5OH - CH3OH = CH2 molecular mass of CH= 12+2 = 14u.
They belong to the same family of alcohols having same general and they are homologous members.

QUESTION: 5

The general formula of an ester where R represents an alkyl group is:

Solution:

Esters have the general formula RCOOR′, where R may be a hydrogen atom, an alkyl group, or an aryl group, and R′ may be an alkyl group or an aryl group but not a hydrogen atom. (If it were a hydrogen atom, the compound would be a carboxylic acid.)