Which of the following statements is incorrect?

  • A
    Carbon dioxide acts as a non-polar molecule even though its two resonance structures are polar.
  • B
    The carbon dioxide molecule is linear because the carbon atom uses its $sp$ orbitals to form $\sigma$ bonds.
  • C
    Carbon dioxide is the anhydride of a dibasic acid.
  • D
    In $CO_2$ and its dihydrate molecule $H_2CO_3$,the carbon atom is in $sp^2$ hybridization.

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The correct order as indicated in each option is

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The formal charges of atoms $(1)$,$(2)$ and $(3)$ in the ion $[\underset{(1)}{O}=\underset{(2)}{N}=\underset{(3)}{O}]^{+}$ are:

Choose the correct order for the given properties.

Match List-$I$ with List-$II$ :
List-$I$ (Molecule Species) List-$II$ (Property/Shape)
$A$. $SO_2Cl_2$ $I$. Paramagnetic
$B$. $NO$ $II$. Diamagnetic
$C$. $NO_2^-$ $III$. Tetrahedral
$D$. $I_3^-$ $IV$. Linear

Choose the correct answer from the options given below :

Total number of compounds / ions which have at least two bond lengths same out of $CO_3^{2-}, HCOOH, S_2O_3^{2-}, NO_2^{-}$

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