1
JEE Main 2024 (Online) 8th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Match List I with List II

LIST I
(Molecule)
LIST II
(Shape)
A. $$\mathrm{NH_3}$$ I. Square pyramid
B. $$\mathrm{BrF_5}$$ II. Tetrahedral
C. $$\mathrm{PCl_5}$$ III. Trigonal pyramidal
D. $$\mathrm{CH_4}$$ IV. Trigonal bipyramidal

Choose the correct answer from the options given below:

A
A-II, B-IV, C-I, D-III
B
A-III, B-I, C-IV, D-II
C
A-IV, B-III, C-I, D-II
D
A-III, B-IV, C-I, D-II
2
JEE Main 2024 (Online) 8th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Match List I with List II

LIST I
(Elements)
LIST II
(Properties in their respective groups)
A. $$\mathrm{Cl,S}$$ I. Elements with highest electronegativity
B. $$\mathrm{Ge,As}$$ II. Elements with largest atomic size
C. $$\mathrm{Fr,Ra}$$ III. Elements which show properties of both metals and non-metal
D. $$\mathrm{F,O}$$ IV. Elements with highest negative electron gain enthalpy

Choose the correct answer from the options given below:

A
A-III, B-II, C-I, D-IV
B
A-II, B-I, C-IV, D-III
C
A-II, B-III, C-IV, D-I
D
A-IV, B-III, C-II, D-I
3
JEE Main 2024 (Online) 8th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Match List I with List II

LIST I
(Name of the test)
LIST II
(Reaction sequence involved) [M is metal]
A. Borax bead test I. $$\mathrm{MCO}_3 \rightarrow \mathrm{MO} \xrightarrow[+\Delta]{\mathrm{Co}\left(\mathrm{NO}_3\right)_2} \mathrm{CoO} \cdot \mathrm{MO}$$
B. Charcoal cavity test II. $$\mathrm{MCO}_3 \rightarrow \mathrm{MCl}_2 \rightarrow \mathrm{M}^{2+}$$
C. Cobalt nitrate test III. $$\mathrm{MSO}_4 \xrightarrow[\Delta]{\mathrm{Na}_2 \mathrm{~B}_4 \mathrm{O}_7} \mathrm{M}\left(\mathrm{BO}_2\right)_2 \rightarrow \mathrm{MBO}_2 \rightarrow \mathrm{M}$$
D. Flame test IV. $$\mathrm{MSO}_4 \xrightarrow[\Delta]{\mathrm{Na}_2 \mathrm{CO}_3} \mathrm{MCO}_3 \rightarrow \mathrm{MO} \rightarrow \mathrm{M}$$

Choose the correct answer from the options given below:

A
A-III, B-I, C-IV, D-II
B
A-III, B-IV, C-I, D-II
C
A-III, B-II, C-IV, D-I
D
A-III, B-I, C-II, D-IV
4
JEE Main 2024 (Online) 8th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Number of Complexes with even number of electrons in $$\mathrm{t_{2 g}}$$ orbitals is -

$$\left[\mathrm{Fe}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{2+},\left[\mathrm{Co}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{2+},\left[\mathrm{Co}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{3+},\left[\mathrm{Cu}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{2+},\left[\mathrm{Cr}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{2+}$$

A
3
B
2
C
1
D
5
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