JEE MAIN - Chemistry Hindi (2023 - 25th January Morning Shift - No. 21)

निम्नलिखित में से अनुचुम्बकीय स्पीशीज की संख्या है __________

$$\left[\mathrm{Ni}(\mathrm{CN})_{4}\right]^{2-},\left[\mathrm{Ni}(\mathrm{CO})_{4}\right], \quad\left[\mathrm{NiCl}_{4}\right]^{2-}$$,

$$\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]^{4-},\left[\mathrm{Cu}\left(\mathrm{NH}_{3}\right)_{4}\right]^{2+}$$

$$\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]^{3-} \text { तथा }\left[\mathrm{Fe}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{2+}$$

Answer
4

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