The charge/sizeratio of a cation determines its. polarizing power. Whichone of the following sequences respresents the increasing order of the polarizing power of the cationic species ,K^(+), Ca^(2+), Mg^(2+), Ba^(2+)?

The charge/sizeratio of a cation determines its. polarizing power. Whi

1.	The charge/sizeratio of a cation determines its. polarizing power. Whichone of the following sequences respresents the increasing order of the polarizing power of the cationic species ,K^(+), Ca^(2+), Mg^(2+), Ba^(2+)?
Answer» `Ca^(2+) lt Mg^(2+) lt Be^(2+) lt K^(+)` `Mg^(2+) lt Be^(2+) lt K^(+) lt Ca^(2+)` `Be^(2+) lt K^(+) lt Ca^(2+) lt Mg^(2+)` `K^(+) lt Ca^(2+) lt Mg ^(2+) lt Be^(2+)` SOLUTION :The polarizing POWER INCREASES when charge/size ratio of cation increases which in TURN increases as the charge increases and size decreases , i.e., `K^(+) lt Ca^(2+) lt Mg^(2+) lt Be^(2+)` .