Sign in
12thPass logo
New chatPYQ LibraryDoubtsRank report
Sign in to see Recents

Your guest activity stays on this device

Sign in to save progress →
Sign in

Aldehydes Ketones and Carboxylic Acids question

2012 · Q129
Guest · filters and generic practice availableBrowsing as a guest · PYQ filters and generic practice are available. Sign in only for personalised features and saved progress.
  1. PYQ Library
  2. /NEET
  3. /Chemistry
  4. /Aldehydes Ketones and Carboxylic Acids
  5. /2012 · Q129

Aldehydes Ketones and Carboxylic Acids question

2012 · Q129

NEETChemistryAldehydes Ketones and Carboxylic AcidsMCQ+4 / −1
The correct order of decreasing acid strength of trichloroacetic acid (A), trifluoroacetic acid (B), acetic acid (C) and formic acid (D) is
  1. A
    B > A > D > C
  2. B
    B > D > C > A
  3. C
    A > B > C > D
  4. D
    A > C > B > D
View written solutionFree

Correct answer: A

As –I effect increases, COOH group becomes more electron deficient and tendency to loose H+ ions increases i.e., acid strength increases. As +I effect increases, acid strength decreases. Thus, correct order of acid strength is

AIPMT 2012 Prelims Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 83 English Explanation

PreviousNext

More from Aldehydes Ketones and Carboxylic Acids

  • CH3CHO and C6H5CH2CHO can be distinguished chemically by2012 · MCQ
  • Acetone is treated with excess of ethanol in the presence of hydrochloric acid. The product obtained is2012 · MCQ
  • The order of reactivity of phenyl magnesium bromide (PhMgBr) with the following compounds: Includes diagram2011 · MCQ
  • An organic compound A on treatment with NH3 gives B, which on heating gives C. C when treated with Br2 in the presence of KOH produces ethyl amine. Compound A is2011 · MCQ
  • Match the compounds given in List-I with List-II and select the suitable option using the code given below. Includes table2011 · MCQ
  • Which one is a nucleophilic substitution reaction among the following ?2011 · MCQ
  • In a set of reactions m-bromobenzoic acid gave a product D. Identify the product D. Includes diagram2011 · MCQ
  • Clemmensen reduction of a ketone is carried out in the presence of which of the following?2011 · MCQ