Laboratory tests for functional groups: match each test with the group it detects or what is seen

This type of question, asked 4 times: 2021 Paper 26, 1 Feb 2023, 8 Apr 2024, 9 Apr 2024. All 4 questions below, oldest first.

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Question 1
2021 Paper 26
39 $CHCl_{3}$
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Question 2
1 Feb 2023
49 $Match List I with List II List I (Test) List II (Functional group / Class of Compound) (A) Molisch's Test (I) Peptide (B) Biuret Test (II) Carbohydrate (C) Carbylamine Test (III) Primary amine (D) Schiff's Test (IV) Aldehyde Choose the correct answer from the options given below:$
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Question 3
8 Apr 2024
128 $Match List-I with List-II. List-I (Test) List-II (Identification) (A) Baeyer's test (I) Phenol (B) Ceric ammonium nitrate test (II) Aldehyde (C) Phthalein dye test (III) Alcoholic -OH group (D) Schiff's test (IV) Unsaturation Choose the correct answer from the options given below :$
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	List I (Test)	List II (Functional group / Class of Compound)
(A)	Molisch's Test	(I) Peptide
(B)	Biuret Test	(II) Carbohydrate
(C)	Carbylamine Test	(III) Primary amine
(D)	Schiff's Test	(IV) Aldehyde

Question 4

9 Apr 2024

125

Br_{2}

	LIST-I (Test)		LIST-II (Observation)
A.	$Br_{2}$ 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.	Red colour appears
D.	2,4-DNP test	IV.	Blue, Green, Violet or Red colour appear

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