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Salicylaldehyde is synthesized from phenol, when reacted with.

The final product A, formed in the following reaction sequence is:

Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R:
Assertion A: Alcohols react both as nucleophiles and electrophiles.
Reason R: Alcohols reacts with active metals such as sodium, potassium and aluminium to yield corresponding alkoxides and liberate hydrogen.
In the light of the above statements, choose the correct answer from the options given below:

Given below are two statements :
Statement (I) : p-nitrophenol is more acidic than m-nitrophenol and o-nitrophenol.
Statement (II) : Ethanol will give immediate turbidity with Lucas reagent.
In the light of the above statements, choose the correct answer from the options given below :

The ratio of number of oxygen atoms to bromine atoms in the product Q is ______ \( \times 10^{-1} \).

Which one the following compounds will readily react with dilute \( \mathrm{NaOH} \) ?

Identify major product “X” formed in the following reaction:

Match List-I with List-II.

The major products formed:

A and B respectively are:

10.

Match List – I with List – II

List I (Test)	List – II (Identification)
(A) Baeyer’s test	(I) Phenol
(B) Ceric ammonium nitrate test	(II) Aldehyde
(C) Phthalein dye test	(III) Alcoholic-OH group
(D) Schiff’s test	(IV) Unsaturation

Choose the correct answer from the options given below:

11.

Match List-I with List-II.

List-I Reactants	List-II Product
(A) Phenol, \( \mathrm{Zn}/\Delta \)	(I) Salicylaldehyde
(B) Phenol, \( \mathrm{CHCl_3,\, NaOH,\, HCl} \)	(II) Salicylic acid
(C) Phenol, \( \mathrm{CO_2,\, NaOH,\, HCl} \)	(III) Benzene
(D) Phenol, Conc. \( \mathrm{HNO_3} \)	(IV) Picric acid

Choose the correct answer from the options given below:

12.

Match List I with List II

List-I (Test)	List-II (Observation)
(A) \( \mathrm{Br_2} \) water test	I. Yellow orange or orange red precipitate formed
(B) Ceric ammonium nitrate test	II. Reddish orange colour disappears
(C) Ferric chloride test	III. Reel colour appears
(D) \( 2,4 \) - DNP test	IV. Blue, Green, Violet or Red colour appear

Choose the correct answer from the option given below:

13.

Which among the following has highest boiling point?

14.

Common name of Benzene-\( 1, 2 \)-diol is:

15.

Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R:
Assertion A: \( pK_a \) value of phenol is \( 10.0 \) while that of ethanol is \( 15.9 \).
Reason R: Ethanol is stronger acid than phenol.
In the light of the above statements, choose the correct answer from the options given below:

16.

\(\text{CH}_3-\text{CH}_2-\text{CH}_2-\text{Br} + \text{NaOH} \xrightarrow{\text{C}_2\text{H}_5\text{OH}} \text{Product 'A'}\)

Consider the above reactions, identify product B and product C.

17.

Identify the major products \( A \) and \( B \) respectively in the following set of reactions.

18.

Phenol treated with chloroform in presence of sodium hydroxide, which further hydrolyzed in presence of an acid results.

19.

The correct sequence of acidic strength of the following aliphatic acids in their decreasing order is:
\( \mathrm{CH_3CH_2COOH} \), \( \mathrm{CH_3COOH} \), \( \mathrm{CH_3CH_2CH_2COOH} \), \( \mathrm{HCOOH} \)

20.

The ascending order of acidity of —\( \text{OH} \) group in the following compounds is:

21.

Match List I with List II.

LIST I (Compound)	LIST II (\( pK_a \) Value)
A. Ethanol	I. \( 10.0 \)
B. Phenol	II. \( 15.9 \)
C. m-Nitrophenol	III. \( 7.1 \)
D. p-Nitrophenol	IV. \( 8.3 \)

Choose the correct answer from the options given below:

22.

Given below are two statements:
Statement I: Picric acid is \( 2, 4, 6 \)-trinitrotoluene.
Statement II: Phenol \(-2,4\)-disulphonic acid is treated with Conc. \( \mathrm{HNO_3} \) to get picric acid.
In the light of the above statements, choose the most appropriate answer from the options given below:

23.

Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R.
Assertion A : Aryl halides cannot be prepared by replacement of hydroxyl group of phenol by halogen atom.
Reason R : Phenols react with halogen acids violently.
In the light of the above statements, choose the most appropriate from the options given below:

24.

Major product formed in the following reaction is a mixture of:

25.

In Reimer-Tiemann reaction, phenol is converted into salicylaldehyde through an intermediate. The structure of intermediate is_________.

26.

Match List – I with List – II

Choose the correct answer from the options given below:

27.

Identify compound \( (Z) \) in the following reaction sequence.

28.

Consider the given chemical reaction sequence:

Total sum of oxygen atoms in Product A and Product B are \( \_\_\_\_\_\_\_\_ \).

29.

The major product \((P)\) in the following reaction is:

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JEE Main 2024 5th April Morning Shift

Consider the given chemical reaction sequence:

Total sum of oxygen atoms in Product A and Product B are \( \_\_\_\_\_\_\_\_ \).

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JEE Mains | PYQ