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Chemistry

Carboxylic Acids

Solution for Class 12, Chemistry, Carboxylic Acids

Question 1

Which of the following has highest

p K_{a}

value?

$CH_{3} - SO_{3} H$ ::
$CH_{3} - OH$
$H_{2} O$

Topic:

Carboxylic Acids

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Question 2

1217 Complete each symthesis by giving missing starting materlal, reagent or produms (iv) (viii)

CH_{,} COCH_{2} COOC_{2} H_{2} (ii) H (i) NaBH_{4}

Topic:

Carboxylic Acids

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Question 3

What is the opposite of the word 'irksome'?

annoying
teasing
bothersome
pleasant

Topic:

Carboxylic Acids

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Question 4

Hydrated

ZnCl_{2}^{2}

and Cono.

HCl

Rectified spirit contains-

$75%$ Alcohol
$95.5%$ Alcohol

Topic:

Carboxylic Acids

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Question 5

Benzaldehyde and Ethanal Although phenoxide ion has more number of resonating structures than carboxylate ion, carboxylic acid is a stronger acid than phenol Give two reason. Convert: Ethanal to but-2-enal

Topic:

Carboxylic Acids

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Question 6

The correct structure of histidine in a strongly acidic solution

(pH = 2)

is :

Topic:

Carboxylic Acids

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Question 7

Which of the following compounds undergo cyclisation on heating?

Topic:

Carboxylic Acids

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Question 8

How many product will be formed when above compound undergo de-carboxylation

Topic:

Carboxylic Acids

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Question 9

How many product will be formed when above compound undergo de-carboxylation

Topic:

Carboxylic Acids

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Question 10

Which of the following compounds is most acidic in nature? [MH CET 2015]

4-Chlorobutanoic acid
3-Chlorobutanoic acid
2-Chlorobutanoic acid
Butanoic acid

Topic:

Carboxylic Acids

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Question 11

Which of the following show keto-enol isomerism

Topic:

Carboxylic Acids

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Question 12

Which of the following does not give benzoic acid on hydrolysis ?

Phenyl cyanide
Benzoyl chloride
Benzyl chloride
Methyl benzoate

Topic:

Carboxylic Acids

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Question 13

Q.32 Choose the correct order from given statement (I) If

CONH_{2}

is linked to cyclohexanecarboxylic acid at position-2, then the prefix used to name the compound is carboxamide. (II) Compounds in which one carbon is common to two different rings are called spiro compounds.

$TF$
$FT$
F F
$TT$

Topic:

Carboxylic Acids

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Question 14

its negative chargo, i.e: Acidic strength

\propto

Effect of EWG

\frac{1}{Effect of ERG}

Ques:- Arrange the following sets of compound in order of their inreasing acidic

Hexanol, phenol, \& Hexanoic acid.

Topic:

Carboxylic Acids

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Question 15

- Addition reactions cre those reactions in which atoms or group of atomi are simplify addea to a double or triple bond atome by the elimination of any atom or other molecules.

Topic:

Carboxylic Acids

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Question 16

The reaction of acetaldehyde with HCN followed by

Metamerism
Tautomerism
Enantiomerism b
Geometrical isomerism

Topic:

Carboxylic Acids

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Question 17

The major product obtained in the following conversion is: [Jan. 11, 2019 (II) ]

Topic:

Carboxylic Acids

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Question 18

24. The decreasing order acidity of following benzoic acid derivatives is

{P),Q),R),S)}

Topic:

Carboxylic Acids

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Question 19

For tomorrow chemistry practical, prepare ammonium carbonate and Lead chloride salt in salt analysis. 7:08 am Forwarded

Topic:

Carboxylic Acids

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Question 20

Compound (A),

C_{8} H_{9} Br

, gives a white precipitate when warmed with alcoholic

AgNO_{3}

. Oxidation of (A) gives an acid (B),

C_{8} H_{6} O_{4} \cdot

. (B) easily forms anhydride on heating. Identify the compound (A).

Topic:

Carboxylic Acids

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Solution for Class 12, Chemistry, Carboxylic Acids

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