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[" 174.Which of the following ion is exp...

[" 174.Which of the following ion is expected to be "],[" coloured? "],[[" (a) "Zn^(2+)(Z=30)," (b) "Ca^(2+)(Z=20)],[" (c) "Sn^(2+)(Z=50)," (d) "V^(2+)(Z=23)]],[" 175.Which of the following ion is expected to be "]

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