1
JEE Main 2021 (Online) 20th July Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Compound A is converted to B on reaction with CHCl3 and KOH. The compound B is toxic and can be decomposed by C. A, B and C respectively are :
A
primary amine, nitrile compound, conc. HCl
B
secondary amine, isonitrile compound, conc. NaOH
C
primary amine, isonitrile compound, conc. HCl
D
secondary amine, nitrile compound, conc. NaOH
2
JEE Main 2021 (Online) 20th July Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Identify the incorrect statement from the following
A
Amylose is a branched chain polymer of glucose
B
Starch is a polymer of $$\alpha$$-D glucose
C
$$\beta$$-Glycosidic linkage makes cellulose polymer
D
Glycogen is called as animal starch
3
JEE Main 2021 (Online) 20th July Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
JEE Main 2021 (Online) 20th July Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 136 English
Which among the above compound/s does/do not form Silver mirror when treated with Tollen's reagent?
A
(I), (III) and (IV) only
B
Only (IV)
C
Only (II)
D
(III) and (IV) only
4
JEE Main 2021 (Online) 20th July Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
JEE Main 2021 (Online) 20th July Morning Shift Chemistry - Hydrocarbons Question 82 English
For above chemical reactions, identify the correct statement from the following :
A
Both compound 'A' and compound 'B' are dicarboxylic acids
B
Both compound 'A' and compound 'B' are diols
C
Compound 'A' is diol and compound 'B' is dicarboxylic acid
D
Compound 'A' is dicarboxylic acid and compound 'B' is diol
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