1
MHT CET 2021 23th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

What is the formal charge on '$$\mathrm{N}$$' atom in $$\mathrm{NH}_4^{+}$$ ion?

A
$$+1$$
B
$$-3$$
C
$$-1$$
D
zero
2
MHT CET 2021 23th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which among the following halides has triagonal bipyramidal structure?

A
$$\mathrm{SeCl}_2$$
B
$$\mathrm{SeF}_4$$
C
$$\mathrm{SF}_6$$
D
$$\mathrm{TeF}_6$$
3
MHT CET 2021 22th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

Identify the molecule having dipole moment.

A
BF$$_3$$
B
CCl$$_4$$
C
CHCl$$_3$$
D
CH$$_4$$
4
MHT CET 2021 22th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following concepts is NOT of valence bond theory?

A
Covalent character of bond
B
Shielding effect of electrons
C
Delocalisation of electron over the two nuclei
D
Combination of atomic orbitals to give molecular orbitals
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