1
JEE Main 2023 (Online) 13th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

In which of the following processes, the bond order increases and paramagnetic character changes to diamagnetic one ?

A
$$\mathrm{O}_{2} \rightarrow \mathrm{O}_{2}^{2-}$$
B
$$\mathrm{N}_{2} \rightarrow \mathrm{N}_{2}^{+}$$
C
$$\mathrm{NO} \rightarrow \mathrm{NO}^{+}$$
D
$$\mathrm{O}_{2} \rightarrow \mathrm{O}_{2}^{+}$$
2
JEE Main 2023 (Online) 13th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
$$\mathrm{ClF}_{5}$$ at room temperature is a:
A
Colourless liquid with square pyramidal geometry
B
Colourless gas with square pyramidal geometry
C
Colourless gas with trigonal bipyramidal geometry.
D
Colourless liquid with trigonal bipyramidal geometry
3
JEE Main 2023 (Online) 12th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

The bond order and magnetic property of acetylide ion are same as that of

A
$$\mathrm{O}_{2}^{+}$$
B
$$\mathrm{O}_{2}^{-}$$
C
$$\mathrm{N}_{2}^{+}$$
D
$$\mathrm{NO}^{+}$$
4
JEE Main 2023 (Online) 11th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Match List - I with List - II:

List - I Species List - II Geometry/Shape
A. $$\mathrm{H_3O^+}$$ I. Tetrahedral
B. Acetylide anion II. Linear
C. $$\mathrm{NH_4^+}$$ III. Pyramidal
D. $$\mathrm{ClO_2^-}$$ IV. Bent

Choose the correct answer from the options given below:

A
A-III, B-I, C-II, D-IV
B
A-III, B-II, C-I, D-IV
C
A-III, B-IV, C-I, D-II
D
A-III, B-IV, C-II, D-I
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