मराठी
कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

Match the acids given in Column I with their correct IUPAC names given in Column II. Column I (Acids) Column II (IUPAC names) (i) Phthalic acid (a) Hexane-1,6-dioic acid (ii) Oxalic acid (b) - Chemistry

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प्रश्न

Match the acids given in Column I with their correct IUPAC names given in Column II.

  Column I
(Acids)
  Column II
(IUPAC names)
(i) Phthalic acid (a) Hexane-1,6-dioic acid
(ii) Oxalic acid (b) Benzene-1,2-dicarboxylic acid
(iii) Succinic acid (c) Pentane-1,5-dioic acid
(iv) Adipic acid (d) Butane-1,4-dioic acid
(v) Glutaric acid (e) Ethane-1,2-dioic acid
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उत्तर

  Column I
(Acids)
  Column II
(IUPAC names)
(i) Phthalic acid (b) Benzene-1,2-dicarboxylic acid
(ii) Oxalic acid (e) Ethane-1,2-dioic acid
(iii) Succinic acid (d) Butane-1,4-dioic acid
(iv) Adipic acid (a) Hexane-1,6-dioic acid
(v) Glutaric acid (c) Pentane-1,5-dioic acid

Explanation:

Acids IUPAC names Structure
(i) Phthalic acid Benzene-1,2-dicarboxylic acid
(ii) Oxalic acid Ethane-1,2-dioic acid \[\begin{array}{cc}
\ce{COOH}\\
|\phantom{......}\\
\ce{COOH}
\end{array}\]
(iii) Succinic acid Butane-1,4-dioic acid
(iv) Adipic acid Hexane-1,6-dioic acid
(v) Glutaric acid Pentane-1,5-dioic acid
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पाठ 12: Aldehydes, Ketones and Carboxylic Acids - Multiple Choice Questions (Type - I) [पृष्ठ १७४]

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एनसीईआरटी एक्झांप्लर Chemistry [English] Class 12
पाठ 12 Aldehydes, Ketones and Carboxylic Acids
Multiple Choice Questions (Type - I) | Q 39 | पृष्ठ १७४

संबंधित प्रश्‍न

Write the product in the following reaction


Write the product in the following reaction:


How will you prepare the given compound from benzene? You may use any inorganic reagent and any organic reagent having not more than one carbon atom.

p-Nitrobenzaldehyde


When 0.4 g of acetic acid is dissolved in 40 g of benzene, the freezing point of the solution is lowered by 0.45 K. Calculate the degree of association of acetic acid. Acetic acid forms dimer when dissolved in benzene.
(Kf for benzene = 5.12 K kg mol−1, at. wt. C = 12, H = 1, O = 16)


Ozonolysis of alkenes followed by the reaction with zinc dust and water gives ____________ depending on the substitution pattern of the alkene.


Esters react with DIBAL-H to produce:


The oxidation of toluene to benzoic acid can be stopped at the aldehyde stage to give benzaldehyde. The reagent used for the purpose is one of the following.


Can Gatterman-Koch reaction be considered similar to Friedel Craft’s acylation? Discuss.


Match the common names given in Column I with the IUPAC names given in Column II.

  Column I
(Common names)
  Column II
(IUPAC names)
(i) Cinnamaldehyde (a) Pentanal
(ii) Acetophenone (b) Prop-2-enal
(iii) Valeraldehyde (c) 4-Methylpent-3-en-2-one
(iv) Acrolein (d) 3-Phenylprop-2-enal
(v) Mesityl oxide (e) 1-Phenylethanone

An alkene ‘A’ (Mol. formula \[\ce{C5H10}\]) on ozonolysis gives a mixture of two compounds ‘B’ and ‘C’. Compound ‘B’ gives positive Fehling’s test and also forms iodoform on treatment with \[\ce{I2}\] and \[\ce{NaOH}\]. Compound ‘C’ does not give Fehling’s test but forms iodoform. Identify the compounds A, B and C. Write the reaction for ozonolysis and formation of iodoform from B and C.


What is the name of the given reaction of preparation of aldehyde?

\[\ce{C3COCl ->[H2][Pd/BaSO4] CH3CHO + HCl}\]


The strongest base among the following


Aldehydes are the first oxidation products of ______.


Convert the following:

Benzoic acid to Benzaldehyde.


The reaction of benzene with CO and HCl in the presence of anhydrous AlCl3 gives ______.


Assertion (A): Strong oxidising agents oxidise toluene and its derivatives to benzoic acids.

Reason (R): It is possible to stop the oxidation of toluene at the aldehyde stage with suitable reagents.

Select the most appropriate answer from the options given below:


Account for the following:

Reduction of nitrobenzene using Fe and HCl is preferred over Sn and HCl.


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