1
JEE Main 2021 (Online) 27th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Match List - I with List - II :

List - I
(compound)
List - II
(effect/affected species)
(a) Carbon monoxide (i) Carcinogenic
(b) Sulphur dioxide (ii) Metabolized by pyrus plants
(c) Polychlorinated biphenyls (iii) haemoglobin
(d) Oxides of Nitrogen (iv) Stiffness of flower buds


Choose the correct answer from the options given below :
A
(a) - (iii), (b) - (iv), (c) - (i), (d) - (ii)
B
(a) - (iv), (b) - (i), (c) - (iii), (d) - (ii)
C
(a) - (i), (b) - (ii), (c) - (iii), (d) - (iv)
D
(a) - (iii), (b) - (iv), (c) - (ii), (d) - (i)
2
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
3
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
4
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$$-$$
JEE Main Subjects
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
CBSE
Class 12