

MCQOPTIONS
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1. |
An isostere is                                    [UPSEAT 1999] |
A. | \[NO_{2}^{-}\] and \[{{O}_{3}}\] |
B. | \[NO_{2}^{-}\] and \[PO_{4}^{3-}\] |
C. | \[C{{O}_{2}},\,{{N}_{2}}O,\,NO_{3}^{-}\] |
D. | \[ClO_{4}^{-}\] and \[OC{{N}^{-}}\] |
Answer» B. \[NO_{2}^{-}\] and \[PO_{4}^{3-}\] | |