1
JEE Main 2020 (Online) 4th September Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
What are the functional groups present in the structure of maltose?
A
One acetal and one ketal
B
One ketal and one hemiketal
C
Two acetals
D
One acetal and one hemiacetal
2
JEE Main 2020 (Online) 4th September Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
An organic compound (A) (molecular formula C6H12O2) was hydrolysed with dil. H2SO4 to give a carboxylic acid (B) and an alcohol (C). ‘C’ gives white turbidity immediately when treated with anhydrous ZnCl2 and conc. HCl. The organic compound (A) is :
A
JEE Main 2020 (Online) 4th September Morning Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 135 English Option 1
B
JEE Main 2020 (Online) 4th September Morning Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 135 English Option 2
C
JEE Main 2020 (Online) 4th September Morning Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 135 English Option 3
D
JEE Main 2020 (Online) 4th September Morning Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 135 English Option 4
3
JEE Main 2020 (Online) 4th September Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following will react with CHCl3 + alc. KOH?
A
Adenine and thymine
B
Thymine and proline
C
Adenine and lysine
D
Adenine and proline
4
JEE Main 2020 (Online) 4th September Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The elements with atomic numbers 101 and 104 belong to, respectively :
A
Group 6 and Actinoids
B
Actinoids and Group 4
C
Group 11 and Group 4
D
Actinoids and Group 6
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