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Which represents alkali metals based on ...

Which represents alkali metals based on relative `(IE)_(1) and (IE)_(2)` values?

A

`|{:(,(IE)_(1),(IE)_(2)),(X,100,110):}|`

B

`|{:(,(IE)_(1),(IE)_(2)),(Y,800,120):}|`

C

`|{:(,(IE)_(1),(IE)_(2)),(Z,195,800):}|`

D

`|{:(,(IE)_(1),(IE)_(2)),(M,200,250):}|`

Text Solution

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The correct Answer is:
C
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Which represents alkali metals (ie., 1 group metals) based on (IE)_(1) and (IE)_(2) values?

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The IE_(1) and IE_(2) (kJ mol^(-1)) of three elements A, B and C are given below : {:(,A,B,C,),(IE_(1),400,550,1150,),(IE_(2),2650,1070,2090,):} Identify the elements which represent (a) an alkali metal, (b) an alkaline earth metal or (c ) non-metal.

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