Among the following,cyclic species are :
$I$. $H_5P_3O_{10}$ $II$. $[B_3O_3(OH)_5]^{2-}$ $III$. $H_5P_5O_{15}$ $IV$. $P_3N_3Cl_6$

  • A
    $I, III$
  • B
    $I, III, IV$
  • C
    $II, III, IV$
  • D
    $I, II, III, IV$

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