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1
JEE Main 2020 (Online) 8th January Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Hydrogen has three isotopes (A), (B) and (C). If the number of neutron(s) in (A), (B) and (C) respectively, are (x), (y) and (z), the sum of (x), (y) an (z) is :
A
3
B
1
C
4
D
2
2
JEE Main 2020 (Online) 8th January Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The major product in the following reaction is: JEE Main 2020 (Online) 8th January Evening Slot Chemistry - Hydrocarbons Question 124 English
A
JEE Main 2020 (Online) 8th January Evening Slot Chemistry - Hydrocarbons Question 124 English Option 1
B
JEE Main 2020 (Online) 8th January Evening Slot Chemistry - Hydrocarbons Question 124 English Option 2
C
JEE Main 2020 (Online) 8th January Evening Slot Chemistry - Hydrocarbons Question 124 English Option 3
D
JEE Main 2020 (Online) 8th January Evening Slot Chemistry - Hydrocarbons Question 124 English Option 4
3
JEE Main 2020 (Online) 8th January Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Among (a) – (d) the complexes that can display geometrical isomerism are :
(a) [Pt(NH3)3Cl]+
(b) [Pt(NH3)Cl5]
(c) [Pt(NH3)2Cl(NO2)]
(d) [Pt(NH3)4ClBr]2+
A
(a) and (b)
B
(c) and (d)
C
(d) and (a)
D
(b) and (c)
4
JEE Main 2020 (Online) 8th January Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Two monomers in maltose are :
A
$$\alpha $$-D-glucose and $$\alpha $$-D-galactose
B
$$\alpha $$-D-glucose and $$\alpha $$-D-Fructose
C
$$\alpha $$-D-glucose and $$\alpha $$-D-glucose
D
$$\alpha $$-D-glucose and $$\beta $$-D-glucose

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