1
JEE Main 2024 (Online) 4th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
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In the precipitation of the iron group (III) in qualitative analysis, ammonium chloride is added before adding ammonium hydroxide to :

A
decrease concentration of $${ }^{-} \mathrm{OH}$$ ions
B
increase concentration of $$\mathrm{Cl}^{-}$$ ions
C
prevent interference by phosphate ions
D
increase concentration of $$\mathrm{NH}_4{ }^{+}$$ ions
2
JEE Main 2024 (Online) 4th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
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The element which shows only one oxidation state other than its elemental form is :

A
Nickel
B
Titanium
C
Cobalt
D
Scandium
3
JEE Main 2024 (Online) 4th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
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Which of the following is the correct structure of L-Glucose?

A
JEE Main 2024 (Online) 4th April Morning Shift Chemistry - Biomolecules Question 28 English Option 1
B
JEE Main 2024 (Online) 4th April Morning Shift Chemistry - Biomolecules Question 28 English Option 2
C
JEE Main 2024 (Online) 4th April Morning Shift Chemistry - Biomolecules Question 28 English Option 3
D
JEE Main 2024 (Online) 4th April Morning Shift Chemistry - Biomolecules Question 28 English Option 4
4
JEE Main 2024 (Online) 4th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Identify the product in the following reaction:

JEE Main 2024 (Online) 4th April Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 37 English

A
JEE Main 2024 (Online) 4th April Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 37 English Option 1
B
JEE Main 2024 (Online) 4th April Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 37 English Option 2
C
JEE Main 2024 (Online) 4th April Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 37 English Option 3
D
JEE Main 2024 (Online) 4th April Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 37 English Option 4
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