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Nomenclature of carboxyl group - class-XII

nomenclature of carboxyl group

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Questions

Question 1 Multiple Choice (Single Answer)

Sodium salt of an organic acid 'X' produces effervescence with conc. $H _2SO _{4}$. 'X' reacts with the acidified aqueous $CaCl _2$ solution to give a white precipitate which decolourises acidic solution of $KMnO _4$. 'X' is 

  1. $C _6H _5COONa$
  2. $HCOONa$
  3. $CH _3COONa$
  4. $Na _2C _2O _4$
Question 2 Multiple Choice (Single Answer)

The trivial name of ${ C } _{ 6 }{ H } _{ 5 }CH=CH-COOH$ is :

  1. cinnamic acid
  2. 1-phenyl-2-carboxy ethane
  3. 3-phenyl prop-2-enoic acid
  4. dihydroxy-3-phenyl propionic acid
Question 3 Multiple Choice (Single Answer)

The correct name of the given compound :
${ CH } _{ 3 }-\overset { \underset { | }{ H }  }{ \underset { \overset { | }{ OH }  }{ C }  } -{ COOH }$

  1. glycoxal
  2. lactic acid
  3. glycine
  4. glyceraldehyde
Question 4 Multiple Choice (Single Answer)

IUPAC name of $CH _3CH(CH _3)COOH$ is :

  1. butyric acid
  2. propionic acid
  3. 2-methylpropanoic acid
  4. dimethylacetic acid
Question 5 Multiple Choice (Single Answer)

Give the condensed formula of following,
$2 - Hydroxy- 1,2,3-propanetricarboxylic$ acid :

  1. $(HOOC)CH _2C(COOH)(OH)CH _2(COOH)$
  2. $(HOOC)CH _2C(COOH)(COOH)CH _2(OH)$
  3. $(HOOC)CH _3C(COOH)CH _2(COOH)$
  4. $(HOOC)CH _2CH _2C(COOH)(OH)CH _2(COOH)$
Question 6 Multiple Choice (Multiple Answers)

Which of the following statements is/are correct?

  1. Methane was named as fire damp as it forms explosive mixture with air
  2. Primary suffixes are added to the root word to show saturation or unsaturation in a C atom
  3. The IUPAC name of valerie acid is pentanoic acid
  4. The common name of hexanoic acid is caproic acid
Question 7 Multiple Choice (Single Answer)

Aspirin is:

  1. Acetyl salicylic acid
  2. Benzoyl salicylic acid
  3. Chloro benzoic acid
  4. Anthranilic acid
Question 8 Multiple Choice (Single Answer)

Structure of ethanoic acid is:

  1. $\displaystyle { CH } _{ 3 }-{ CH } _{ 2 }-{ CH } _{ 3 }$
  2. $\displaystyle CH _3-\underset {\displaystyle \underset {\displaystyle O}{ ||}}{C}-OH$
  3. $\displaystyle { CH } _{ 3 }-O-{ C } _{ 3 }{ H } _{ 7 }$
  4. $\displaystyle CH _3-\underset {\displaystyle \underset {\displaystyle O}{ ||}}{C}-CH _3$
  5. $\displaystyle CH _3 - CH _2- NH _2$
Question 9 Multiple Choice (Single Answer)

The general formula of carboxylic acids is:

  1. $C _nH _nCOOH$
  2. $C _nH _{2n-1}$
  3. $C _nH _{2n-2}COOH$
  4. $C _nH _{2n+1}COOH$
Question 10 Multiple Choice (Single Answer)

What is the common name of $CH _2=CHCOOH$?

  1. Anthranilic acid
  2. Citric acid
  3. Acrylic acid
  4. Propenoic acid
Question 11 Multiple Choice (Single Answer)

IUPAC name of $HOOCCH _2C(OH)(COOH)CH _2COOH$ is

  1. citric acid
  2. 2-Hydroxy-1,2,3-propanetri-carboxylicacid
  3. 2-Hydroxy-1,2,3-propanoic acid
  4. hexanetrioic acid
Question 12 Multiple Choice (Single Answer)

Acetic acid is present in vinegar. Curd contains ______ .

  1. lactic acid
  2. tartaric acid
  3. picric acid
  4. None of the above
Question 13 Multiple Choice (Single Answer)

$C _nH _{2n-1}COOH$ is the general formula for:

  1. saturated fatty acids
  2. unsaturated fatty acids
  3. simple lipids
  4. phospholipids
Question 14 Multiple Choice (Single Answer)

The correct structural formula of butanoic acid is

  1. $H-\overset{H}{\overset{|}{\underset{H}{\underset{|}{C}}}}-\overset{H}{\overset{|}{C}}=\overset{H}{\overset{|}{C}}-\overset{O}{\overset{||}{C}}-OH$
  2. $H-\underset{H}{\underset{|}{\overset{H}{\overset{|}{C}}}}-\underset{H}{\underset{|}{\overset{H}{\overset{|}{C}}}}-\underset{H}{\underset{|}{\overset{H}{\overset{|}{C}}}}-\underset{H}{\underset{|}{\overset{H}{\overset{|}{C}}}}-\underset{H}{\underset{|}{\overset{O}{\overset{||}{C}}}}-OH$
  3. $H-\underset{H}{\underset{|}{\overset{H}{\overset{|}{C}}}}-\underset{H}{\underset{|}{\overset{H}{\overset{|}{C}}}}-\underset{H}{\underset{|}{\overset{H}{\overset{|}{C}}}}-\underset{H}{\underset{|}{\overset{H}{\overset{|}{C}}}}-OH$
  4. $H-\underset{H}{\underset{|}{\overset{H}{\overset{|}{C}}}}-\underset{H}{\underset{|}{\overset{H}{\overset{|}{C}}}}-\underset{H}{\underset{|}{\overset{H}{\overset{|}{C}}}}-\overset{O}{\overset{||}{C}}-OH$
Question 15 Multiple Choice (Single Answer)

The functional group present in carboxylic acids is ?

  1. -COOH
  2. -CO-
  3. -OH
  4. -CHO
Question 16 Multiple Choice (Single Answer)

The general formula of carboxylic acids is:

  1. $C _{n}H _{n}COOH$
  2. $C _{n}H _{2n}COOH$
  3. $C _{n}H _{2n-2}COOH$
  4. $C _{n}H _{2n+1}COOH$
Question 17 Multiple Choice (Single Answer)

IUPAC name of $CH _3COOH$ is:

  1. acetic acid
  2. formic acid
  3. methanoic acid
  4. ethanoic acid
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