What is the formal charge on the $N$ atom in the $[S-C \equiv N:]^-$ ion?

  • A
    zero
  • B
    $3$
  • C
    $-2$
  • D
    $2$

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Identify the odd-electron molecules among $NO$,$NO_2$,$CO$,and $CO_2$. Explain why.

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$(B)$ $H_2O > HF > NH_3$Dipole moment
$(C)$ $I_2 > F_2 > N_2$Bond length

Which of the above pairs are correctly matched?

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Which one of the following conversions involves a change in both hybridisation and shape?

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