1
JEE Main 2021 (Online) 17th March Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Amongst the following, the linear species is :
A
O3
B
Cl2O
C
N$$_3^ - $$
D
NO2
2
JEE Main 2021 (Online) 17th March Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
A central atom in a molecule has two lone pairs of electrons and forms three single bonds. The shape of this molecule is :
A
trigonal pyramidal
B
T-shaped
C
see-saw
D
planar triangular
3
JEE Main 2021 (Online) 16th March Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Given below are two statements : one is labeled as Assertion A and the other is labelled as Reason R :

Assertion A : The H$$-$$O$$-$$H bond angle in water molecule is 104.5$$^\circ$$.

Reason R : The lone pair - lone pair repulsion of electrons is higher than the bond pair - bond pair repulsion.

In the light of the above statements, choose the correct answer from the options given below :
A
Both A and R are true, and R is the correct explanation of A
B
A is true but R is false
C
A is false but R is true
D
Both A and R are true, but R is not the correct explanation of A
4
JEE Main 2021 (Online) 26th February Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Match List - I with List - II.

List - I (Molecule) List - II (Bond order)
(a) $$N{e_2}$$ (i) 1
(b) $${N_2}$$ (ii) 2
(c) $${F_2}$$ (iii) 0
(d) $${O_2}$$ (iv) 3

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