1
JEE Main 2019 (Online) 8th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The covalent alkaline earth metal halide (X = Cl, Br, I) is :
A
CaX2
B
SrX2
C
MgX2
D
BeX2
2
JEE Main 2019 (Online) 8th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
The maximum prescribed concentration of copper in drinking water is :
A
3 ppm
B
5 ppm
C
0.5 ppm
D
0.05 ppm
3
JEE Main 2019 (Online) 8th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Which one of the following alkenes when treated with HCl yields majorly an anti Markovnikov product?
A
Cl – CH = CH2
B
F3C – CH = CH2
C
CH3O – CH = CH2
D
H2N – CH = CH2
4
JEE Main 2019 (Online) 8th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The calculated spin-only magnetic moments (BM) of the anionic and cationic species of [Fe(H2O)6]2 and [Fe(CN)6], respectively, are :
A
2.84 and 5.92
B
4.9 and 0
C
0 and 4.9
D
0 and 5.92
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