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the metal ions having 3d^2 configuration...

the metal ions having `3d^2` configuration is/are(Ti=22, V=23, Cr=24, Mn=25) a.`Ti^(2+)`, b.`V^(3+)`, c.`Cr^(3+)`, d.`Mn^(4+)`

A

both a & b

B

b only

C

a only

D

both b & c

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AAKASH INSTITUTE ENGLISH-TEST 5-EXAMPLE
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  16. pH of aqueous solution of CH3COONa is given by

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