Chemistry-
General
Easy

Question

A carboxylic acid is converted into its anhydride using

  1. Thionyl chloride    
  2. Sulphur chloride    
  3. Sulphuric acid    
  4. Phosphorus pentoxide    

The correct answer is: Phosphorus pentoxide


    Error converting from MathML to accessible text.
    Error converting from MathML to accessible text. acts as a dehydrating agent.

    Related Questions to study

    General
    chemistry-

    Which of the following compounds will react with N a H C O subscript 3 end subscript solution to give sodium salt and carbon dioxide

    Which of the following compounds will react with N a H C O subscript 3 end subscript solution to give sodium salt and carbon dioxide

    chemistry-General
    General
    chemistry-

    If the enolate ion combines with carbonyl group of ester, we get

    If the enolate ion combines with carbonyl group of ester, we get

    chemistry-General
    General
    chemistry-

    Order of hydrolysis for the following
    I) R C O C l
    II) R C O O R
    III) R C O N H subscript 2 end subscript
    IV) left parenthesis R C O right parenthesis subscript 2 end subscript O

    Order of hydrolysis for the following
    I) R C O C l
    II) R C O O R
    III) R C O N H subscript 2 end subscript
    IV) left parenthesis R C O right parenthesis subscript 2 end subscript O

    chemistry-General
    parallel
    General
    chemistry-

    Colouration of B r subscript 2 end subscript divided by C C l subscript 4 end subscript will be discharged by

    Colouration of B r subscript 2 end subscript divided by C C l subscript 4 end subscript will be discharged by

    chemistry-General
    General
    chemistry-

    Which of the following is an amphoteric acid

    Which of the following is an amphoteric acid

    chemistry-General
    General
    chemistry-

    X is heated with soda lime and gives ethane. X is

    X is heated with soda lime and gives ethane. X is

    chemistry-General
    parallel
    General
    chemistry-

    C subscript 6 end subscript H subscript 5 end subscript C O N H C H subscript 3 end subscript can be converted into C subscript 6 end subscript H subscript 5 end subscript C H subscript 2 end subscript N H C H subscript 3 end subscript by

    C subscript 6 end subscript H subscript 5 end subscript C O N H C H subscript 3 end subscript can be converted into C subscript 6 end subscript H subscript 5 end subscript C H subscript 2 end subscript N H C H subscript 3 end subscript by

    chemistry-General
    General
    chemistry-

    C H subscript 3 end subscript C O subscript 2 end subscript C subscript 2 end subscript H subscript 5 end subscript on reaction with sodium ethoxide in ethanol gives A, which on heating in the presence of acid gives B compound B is

    C H subscript 3 end subscript C O subscript 2 end subscript C subscript 2 end subscript H subscript 5 end subscript on reaction with sodium ethoxide in ethanol gives A, which on heating in the presence of acid gives B compound B is

    chemistry-General
    General
    chemistry-

    For the reaction 2A+B→3C+D Which of the following does not express the reaction rate?

    For the reaction 2A+B→3C+D Which of the following does not express the reaction rate?

    chemistry-General
    parallel
    General
    chemistry-

    During the kinetic study of the reaction, 2 text end text A plus B rightwards arrow C plus D, following results were obtained:

    Based on the above data which one of the following is correct?

    During the kinetic study of the reaction, 2 text end text A plus B rightwards arrow C plus D, following results were obtained:

    Based on the above data which one of the following is correct?

    chemistry-General
    General
    chemistry-

    For the reaction N subscript 2 end subscript O subscript 5 end subscript left parenthesis text end text g right parenthesis rightwards arrow 2 N O subscript 2 end subscript left parenthesis text end text g right parenthesis plus fraction numerator 1 over denominator 2 end fraction O subscript 2 end subscript left parenthesis text end text g right parenthesis the value of rate of disappearance of N subscript 2 end subscript O subscript 5 end subscript, is given as 6.25 cross times 10 to the power of negative 3 end exponent text end text m o l text end text L to the power of negative 1 end exponent text end text s to the power of negative 1 end exponent. The rate of formation of N O subscript 2 end subscript and O subscript 2 end subscript is given respectively as:

    For the reaction N subscript 2 end subscript O subscript 5 end subscript left parenthesis text end text g right parenthesis rightwards arrow 2 N O subscript 2 end subscript left parenthesis text end text g right parenthesis plus fraction numerator 1 over denominator 2 end fraction O subscript 2 end subscript left parenthesis text end text g right parenthesis the value of rate of disappearance of N subscript 2 end subscript O subscript 5 end subscript, is given as 6.25 cross times 10 to the power of negative 3 end exponent text end text m o l text end text L to the power of negative 1 end exponent text end text s to the power of negative 1 end exponent. The rate of formation of N O subscript 2 end subscript and O subscript 2 end subscript is given respectively as:

    chemistry-General
    General
    chemistry-

    The bromination of acetone that occurs in acid solution is represented by this equation C H subscript 3 end subscript C O C H subscript 3 end subscript left parenthesis a q right parenthesis plus B r subscript 2 end subscript left parenthesis a q right parenthesis ⟶ C H subscript 3 end subscript C O C H subscript 2 end subscript B r left parenthesis a q right parenthesis plus H to the power of plus end exponent left parenthesis a q right parenthesis plus B r to the power of minus end exponent left parenthesis a q right parenthesis These kinetic data were obtained for given reactions concentrations.
    Initial Concentrations, M

    Initial Rate, disappearance of B r subscript 2 end subscript comma M s to the power of negative 1 end exponent
    table attributes columnalign right end attributes row blank cell 5.7 cross times 10 to the power of negative 5 end exponent end cell row blank cell 5.7 cross times 10 to the power of negative 5 end exponent end cell row blank cell 1.2 cross times 10 to the power of negative 4 end exponent end cell row blank cell 3.1 cross times 10 to the power of negative 4 end exponent end cell end table
    Based on these data, the rate equation is -

    The bromination of acetone that occurs in acid solution is represented by this equation C H subscript 3 end subscript C O C H subscript 3 end subscript left parenthesis a q right parenthesis plus B r subscript 2 end subscript left parenthesis a q right parenthesis ⟶ C H subscript 3 end subscript C O C H subscript 2 end subscript B r left parenthesis a q right parenthesis plus H to the power of plus end exponent left parenthesis a q right parenthesis plus B r to the power of minus end exponent left parenthesis a q right parenthesis These kinetic data were obtained for given reactions concentrations.
    Initial Concentrations, M

    Initial Rate, disappearance of B r subscript 2 end subscript comma M s to the power of negative 1 end exponent
    table attributes columnalign right end attributes row blank cell 5.7 cross times 10 to the power of negative 5 end exponent end cell row blank cell 5.7 cross times 10 to the power of negative 5 end exponent end cell row blank cell 1.2 cross times 10 to the power of negative 4 end exponent end cell row blank cell 3.1 cross times 10 to the power of negative 4 end exponent end cell end table
    Based on these data, the rate equation is -

    chemistry-General
    parallel
    General
    chemistry-

    The potential energy diagram for a reaction Rrightwards arrowP is given below: capital delta H to the power of ring operator end exponent of the reaction corresponds to the energy -

    The potential energy diagram for a reaction Rrightwards arrowP is given below: capital delta H to the power of ring operator end exponent of the reaction corresponds to the energy -

    chemistry-General
    General
    chemistry-

    Select the rate law that corresponds to the data shown for the following reaction: A plus B rightwards arrow C

    Select the rate law that corresponds to the data shown for the following reaction: A plus B rightwards arrow C

    chemistry-General
    General
    chemistry-

    For the chemical process energies are plotted in graph

    Which of the following is correct?

    For the chemical process energies are plotted in graph

    Which of the following is correct?

    chemistry-General
    parallel

    card img

    With Turito Academy.

    card img

    With Turito Foundation.

    card img

    Get an Expert Advice From Turito.

    Turito Academy

    card img

    With Turito Academy.

    Test Prep

    card img

    With Turito Foundation.