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1
MHT CET 2021 21th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

What is the formal charge on carbon atom in CO$$_3^{2-}$$ ion ?

A
$$-2$$
B
$$-4$$
C
+4
D
zero
2
MHT CET 2021 20th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

What is bond angle O-S-O in SO$$_2$$ molecule?

A
107$$^\circ$$
B
180$$^\circ$$
C
90$$^\circ$$
D
119.5$$^\circ$$
3
MHT CET 2021 20th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following bonds has highest bond enthalpy?

A
N-N in NH$$_3$$
B
O=O in O$$_2$$
C
C-H in CH$$_4$$
D
N$$\equiv$$N in N$$_2$$
4
MHT CET 2021 20th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

What is O$$-$$O bond length in resonance hybrid of ozone?

A
131 pm
B
121 pm
C
128 pm
D
148 pm
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