More Classes
5th Class
6th Class
7th Class
8th Class
9th Class
10th Class
11th Class
12th Class
NAT I
NAT II
CSS
IQ
General Knowledge
MDCAT
ECAT
GAT General
GAT Subject
Other Links
Go to Home
Online Tests
PPSC Chemistry Part II Organic Chemistry Online Test MCQs With Answers
Question # 1
Which of the following statement is false about resonance.
Choose an answer
It increase the stability of a molecule
It leads to similar type of bonds
It increase the reactivity of the molecule
It decrease the reactivity of the molecule.
Previous
Skip
Next
Question # 2
Hydrocarbon X (C6H12) on oxidation with hot alkaline (KMnO4) gives a mixture of prop ionic acid and dimethyl ketone. The structure of compound X is
Choose an answer
CH3CH = CHCH2CH2CH3
(CH3)2 C = CH CH2 CH3
CH3CH2CH = CHCH2CH3
(CH3)2 C = C (CH3)2
Previous
Skip
Next
Question # 3
Which of the following polymers is chlorinated.
Choose an answer
Orlon
Neoprene
Dacron
None of these
Previous
Skip
Next
Question # 4
Which of the following effects best explains that o-nitro phenol is insoluble in water.
Choose an answer
Inductive effect
Resonance effect
Intramolecular H -bonding
Isomeric effect
Previous
Skip
Next
Question # 5
The IUPAC name of HCOOCH3 is.
Choose an answer
Methoxy methanol
Ethanoic acid
Methyl methanoate
Methoxy methane
Previous
Skip
Next
Question # 6
Iodination of benzene takes place in the presence of iodine and
Choose an answer
HNO3
HIO3
HgO
All of these
Previous
Skip
Next
Question # 7
Which type of polymer the Nylon -06 is
Choose an answer
Polyamide
Polyester
Addition
Homopolymer
Previous
Skip
Next
Question # 8
Which of the following reaction cannot be used for the synthesis of a amino acids.
Choose an answer
Gabriel phthalimide
Streckers synthesis
Sorensen synthesis
Schmidt synthesis
Previous
Skip
Next
Question # 9
Hydrolysis of nucleoprotein result in the formation of.
Choose an answer
Proteins
Nucleic acids
Both A and B
They do not hydrolyse
Previous
Skip
Next
Question # 10
Correct order of increasing ______ I effect of groups is
Choose an answer
----- NO2 >-----------CN > ------------COOH > -------------F
--------F > -------------COOH>----------CN>--------NO2
-----F> -------------CN>--------NO2 > COOH
-------CN > ------------COOH > -----------NO2 >----------F
Previous
Skip
Next
Question # 11
In which polymer the strength of inter molecular forces is maximum
Choose an answer
Elastomers
Thermoplastic
Fibre
Cross linked polymer
Previous
Skip
Next
Question # 12
Which of the following statements regarding phenols is not correct.
Choose an answer
Phenol ls are stronger acids than water and alcohols.
Phenol are weaker acids than carboxylic acids
Phenol are solubel in both aqueous NaOH and aqueous sodium hydrogen carbonate
Phenoxides ions are more stable than the corresponding phenol
Previous
Skip
Next
Question # 13
Complete hydrolysis of nucleotide result in the formation of.
Choose an answer
Heterocyclic bases
A pentose
A phosphate ion
All of these
Previous
Skip
Next
Question # 14
According to R, S system the correct order of priority of the following groups is .
Choose an answer
-CH2OH > - CHO > ----- COOH
-COOH > ------CHO > ------CH2OH
---- CH2OH -----> - COOH > -------CHO
--- COOH > - CH2OH >----- CHO
Previous
Skip
Next
Question # 15
The decrease in electron density at one position accompanied by a corresponding increase at other position is called.
Choose an answer
Inductive effect
Asymmetric effect
Electromeric effect
Resonance effect
Previous
Skip
Next
Question # 16
Which of the following property has a higher value for trans isomer as compared to cis isomer.
Choose an answer
Density
Dipole moment
Melting point
Boiling point
Previous
Skip
Next
Question # 17
The stationary and mobile phases in paper chromatography are.
Choose an answer
Liquid/Liquid
Solid /Liquid
Liquid/Solid
Gas/solid
Previous
Skip
Next
Question # 18
The dye obtained from madder root
Choose an answer
Indogotin
Indanthrene
Alizarin
Acriflavin
Previous
Skip
Next
Question # 19
C is -2 butene on reaction with bromino give 2,3 -dibromobutane which is
Choose an answer
Recemic mixture
Meso isomer
Dextoroisomer
Levoisomer
Previous
Skip
Next
Question # 20
The molar mass of an organic acids is determined by
Choose an answer
Depression of freezing point
Elevation of boiling point
Volumetric method
Victor Myer's method
Previous
Skip
Next
Back