1
JEE Main 2020 (Online) 8th January Morning Slot
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
The number of bonds between sulphur and oxygen atoms in S2O82- and the number of bonds between sulphur and sulphur atoms in rhombic sulphur, respectively, are :
A
4 and 8
B
8 and 6
C
4 and 6
D
8 and 8
2
JEE Main 2020 (Online) 7th January Evening Slot
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
In the following reaction, products (A) and (B) respectively, are :

NaOH + Cl2 $$ \to $$ (A) + side products
(hot and conc.)

Ca(OH)2 + Cl2 $$ \to $$ (B) + side products (dry)
A
NaOCl and Ca(OCl)2
B
NaClO3 and Ca(ClO3)2
C
NaOCl and Ca(ClO3)2
D
NaClO3 and Ca(OCl)2
3
JEE Main 2019 (Online) 12th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
The C–C bond length is maximum in :
A
C60
B
diamond
C
graphite
D
C70
4
JEE Main 2019 (Online) 12th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
The basic structural unit of feldspar, zeolites, mica, and asbestos is :
A
JEE Main 2019 (Online) 12th April Morning Slot Chemistry - p-Block Elements Question 161 English Option 1
B
(SiO4)4–
C
(SiO3)2–
D
SiO2
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