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Match the elements given in Column I wit...

Match the elements given in Column I with the properties mentioned in Column II.
`{:(Column I,Column II),(A.Li,1."Insoluble sulphate"),(B.Na,2."Strongest monoacidic base"),(C.Ca,3."Most negative" E^(Theta) "value among alkali metals"),(D.Ba,4."Insoluble oxalate"),(,5.6s^(2)"outer electronic configuration"):}`

Text Solution

Verified by Experts

The correct Answer is:
A. `rarr(3)` B. `rarr(2)` C. `rarr(4)` D. `rarr(5)`
A. `Li-`Most negative `E^(-)` among alkali metals [Due to very high hydration energy the resulting `E^(Theta)` is most negative]
B. Na-Strongest monoacidic base [Alkalies are more acidic than alkaline earth metals. LiOh has covalent character].
C-Ca insoluble oxalate [Calcium oxalate is insoluble in water]
D. Ba-Insoluble sulphate [Hydration energy decreases as size of cation increases].
`6s^(2)` outer electronic configuration. `._(56)Ba = 1s^(2),2s^(2),2p^(6),3s^(2),3p^(6),3d^(10),4s^(2),4p^(6),4d^(10),5s^(2),5p^(6),6s^(2)]`
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Knowledge Check

  • Match the elements given in column (I) with the most appropriat expected values given in column II {:("Column I","Column II"),("Element","Electronegative values"),(A.F, (p)3.5),(B.O,(q) 3.0),(C.N,(r )4.0),(D.C,(s)2.5):}

    A
    A(r ), B(p),C(q),D(s)
    B
    A(s),B(q),C(r ),D(p)
    C
    A(p),B(q),C(r ),D(s)
    D
    A(r ),B(q), C(p),D(s)

  • Match the entries listed in column I with appropriate properties listed in Column II {:(,"Column I",,"Column II"),((A),He,(i),"High electron affinity"),((B),Cl,(ii),"Most electropositive element"),((C),Ca,(iii),"Strongest reducing agent"),((D),Li,(iv),"Highest ionization energy"):} The correct match of contents in Column I with those in Column II

    A
    `{:(A-iii,B-i,C-ii,D-iv):}`
    B
    `{:(A-iv,B-iii,C-ii,D-i):}`
    C
    `{:(A-ii,B-iv,C-i,D-iii):}`
    D
    `{:(A-iv,B-i,C-ii,D-iii):}`