Download PDF
Free download in PDF Organic Chemistry Multiple Choice Questions and Answers for competitive exams. These short objective type questions with answers are very important for Board exams as well as competitive exams like UPSC, NDA, SSC etc. These short solved questions or quizzes are provided by Gkseries./p>
(1)
Which of the following acids has the smallest dissociation constant?
[A]
CH3CHFCOOH
[B]
FCH2CH2COOH
[C]
BrCH2CH2COOH
[D]
CH3CHBrCOOH
(2)
The vapour of a carboxylic acid HA when passed over MnO2 at 573 K yields propanone. What is the acid HA?
[A]
Methanoic acid
[B]
Ethanoic acid
[C]
Propanoic acid
[D]
Butanoic acid
(3)
Which acid is strongest or Which is most acidic?
[A]
Cl2CH.COOH
[B]
ClCH2COOH
[C]
CH3COOH
[D]
Cl3C.COOH
(4)
The acid which reduces Fehling solution is which of the following?
[A]
Methanoic acid
[B]
Ethanoic acid
[C]
Butanoic acid
[D]
Propanoic acid
(5)
Which class of compounds shows H-bonding even more than in alcohols?
[A]
Phenols
[B]
Carboxylic acids
[C]
Ethers
[D]
Aldehydes
(6)
Which of the following is the strongest acid?
[A]
CH3COOH
[B]
BrCH2COOH
[C]
ClCH2COOH
[D]
FCH2COOH
(7)
The reaction of HCOOH with conc.H2SO4 gives which of the following compound?
[A]
CO2
[B]
CO
[C]
Oxalic acid
[D]
Acetic acid
(8)
Which one is strongest acid among following options?
[A]
CH2FCOOH
[B]
CH2ClCOOH
[C]
CHCl2COOH
[D]
CHF2COOH
(9)
Acetic acid is weak acid than sulphuric acid because which of the following reasons?
[A]
It decomposes on increasing temperature
[B]
It has less degree of ionisation
[C]
It has -COOH group
[D]
It has more inductive effect
Answer: It has less degree of ionisation
(10)
In CH3COOH and HCOOH, HCOOH will be which of the following?
[A]
Less acidic
[B]
Equally acidic
[C]
More acidic
[D]
cannot say about acidic behaviour
Please share this page