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1
JEE Main 2021 (Online) 27th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
Number of Cl = O bonds in chlorous acid, chloric acid and perchloric acid respectively are :
A
3, 1 and 1
B
4, 1 and 0
C
1, 1 and 3
D
1, 2 and 3
2
JEE Main 2021 (Online) 27th July Morning Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
The product obtained from the electrolytic oxidation of acidified sulphate solutions, is :
A
HSO$$_4^ - $$
B
HO3SOOSO3H
C
HO2SOSO2H
D
HO3SOSO3H
3
JEE Main 2021 (Online) 25th July Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Which one of the following compounds of Group-14 elements is not known?
A
[GeCl6]2$$-$$
B
[Sn(OH)6]2$$-$$
C
[SiCl6]2$$-$$
D
[SiF6]2$$-$$
4
JEE Main 2021 (Online) 22th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
Given below are the statements about diborane

(a) Diborane is prepared by the oxidation of NaBH4 with I2

(b) Each boron atom is in sp2 hybridized state

(c) Diborane has one bridged 3 centre-2-electron bond

(d) Diborane is a planar molecule

The option with correct statements is :
A
(c) and (d) only
B
(a) only
C
(c) only
D
(a) and (b) only
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