1
COMEDK 2022
MCQ (Single Correct Answer)
+1
-0

The P-O bond order in PO$$_4^{3-}$$ is

A
1
B
1.5
C
1.45
D
1.25
2
COMEDK 2022
MCQ (Single Correct Answer)
+1
-0

Which of the following compound does not exists?

A
NCl$$_3$$
B
NCl$$_5$$
C
SbCl$$_3$$
D
NI$$_3$$
3
COMEDK 2021
MCQ (Single Correct Answer)
+1
-0

Find the correct order of C$$-$$O bond length among CO, CO$$_3^{2-}$$, CO$$_2$$.

A
CO$$_2$$ < CO$$_3^{2-}$$ < CO
B
CO < CO$$_3^{2-}$$ < CO$$_2$$
C
CO$$_3^{2-}$$ < CO$$_2$$ < CO
D
CO < CO$$_2$$ < CO$$_3^{2-}$$
4
COMEDK 2021
MCQ (Single Correct Answer)
+1
-0

Which of the following pairs of ions in iso-electronic and iso-structural?

A
CO$$_3^{2-}$$, NO$$_3^{-}$$
B
SO$$_3^{2-}$$, NO$$_3^{-}$$
C
ClO$$_3^{-}$$, CO$$_3^{2-}$$
D
SO$$_3^{2-}$$, CO$$_3^{2-}$$
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