1
JEE Main 2021 (Online) 22th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following compounds does not exhibit resonance?
A
CH3CH2OCH = CH2
B
JEE Main 2021 (Online) 22th July Evening Shift Chemistry - Basics of Organic Chemistry Question 163 English Option 2
C
CH3CH2CH2CONH2
D
CH3CH2CH = CHCH2NH2
2
JEE Main 2021 (Online) 22th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
JEE Main 2021 (Online) 22th July Evening Shift Chemistry - Compounds Containing Nitrogen Question 135 English
In the chemical reactions given above A and B respectively are :
A
H3PO2 and CH3CH2Cl
B
CH3CH2OH and H3PO2
C
H3PO2 and CH3CH2OH
D
CH3CH2Cl and H3PO2
3
JEE Main 2021 (Online) 22th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Isotope(s) of hydrogen which emits low energy $$\beta$$$$-$$ particles with t1/2 value > 12 years is/are
A
Protium
B
Tritium
C
Deuterium
D
Deuterium and Tritium
4
JEE Main 2021 (Online) 22th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Match List-I with List-II :

List-I
(Species)
List-II
(Hybrid Orbitals)
(a) $$S{F_4}$$ (i) $$s{p^3}{d^2}$$
(b) $$I{F_5}$$ (ii) $${d^2}s{p^3}$$
(c) $$NO_2^ + $$ (iii) $$s{p^3}d$$
(d) $$NH_4^ + $$ (iv) $$s{p^3}$$
(v) $$sp$$


Choose the correct answer from the options given below :
A
(a)-(i), (b)-(ii), (c)-(v) and (d)-(iii)
B
(a)-(ii), (b)-(i), (c)-(iv) and (d)-(v)
C
(a)-(iii), (b)-(i), (c)-(v) and (d)-(iv)
D
(a)-(iv), (b)-(iii), (c)-(ii) and (d)-(v)
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