1
JEE Main 2021 (Online) 22th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following molecules does not show stereo isomerism?
A
3, 4-Dimethylhex-3-ene
B
3-Methylhex-1-ene
C
3-Ethylhex-3-ene
D
4-Methylhex-1-ene
2
JEE Main 2021 (Online) 22th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Which one of the following group-15 hydride is the strongest reducing agent?
A
AsH3
B
BiH3
C
PH3
D
SbH3
3
JEE Main 2021 (Online) 22th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
The set having ions which are coloured and paramagnetic both is :
A
Cu2+, Cr3+, Sc+
B
Cu2+, Zn2+, Mn4+
C
Sc3+, V5+, Ti4+
D
Ni2+, Mn7+, Hg2+
4
JEE Main 2021 (Online) 22th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Thiamine and pyridoxine are also known respectively as :
A
Vitamin B2 and Vitamin E
B
Vitamin E and Vitamin B2
C
Vitamin B6 and Vitamin B2
D
Vitamin B1 and Vitamin B6
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