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{:(,"Column I",,"Column II"),((A),"Coppe...

`{:(,"Column I",,"Column II"),((A),"Copper",(p),"Forms a colured salt"),((B), "Silver",(q),"Dissolves only in royal water"),((C ),"Gold",(r ),"Not a transition element"),((D),"Mercury",(s),"Has the electronic configuration "(n-1)d^(10)ns^(1)):}`

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(n-1)d^(10)ns^(2) is the electronic configuration of

Assign the position of the element having outer electronic configuration (n-1)d^{10}ns^{1} for n=4.

|{:(,"Column I",,"Column II"),((A),"Adenine",(p),"Purine"),((B),"Thymine",(q),"Pyrimidine"),((C ),"Uracil",(r ),RNA),((D),"Deoxyribose",(s),DNA):}|

{:(,"Column-I",,,"Column-II"),(,"(Element)",,,"(Property)"),((A),Mg,,(P),"s-block element"),((B),Be,,(Q),"Bridge element"),((C),Sc,,(R),"Transition element"),((D),N,,(T),"Alkaline earth elements"):}

{:(,"Column-I",,"Column-II"),("(A)","Sea water","(p)","Compound"),("(B)","Phosphorus","(q)","Heterogeneous mixture"),("(C)","Distilled water","(r)","Solution"),("(D)","Concrete","(s)","Element"):}

|{:(,"Column I",,"Column II"),((A),"Epimers",(p),alpha-(D)"glucose"),((B),"Anomers",(q),"D-mannose"),((C ),"Reducing ketone",(r ),"Fructose"),((D),"Functional isomer of glucose",(s),beta-(D)"glucose"):}|

{:(,"Column-I",,"Column-II"),((A),E_(1)cb,(p),"First order"),((B),S_(N)2,(q),"No rearrangement"),((C),E_(1),(r),"Rearragnement"),((D),S_(N)1,(s),"Strong nucleophile"),(,,(t),"Inversion of configuration"):}

{:("Column-I","Column-II"),((A)NH_3, "p linear"),((B)BeF_2, "q polar"),((C )H_2O, "r" mu "=0D"),((D)CO_2, "s Angular"):}

Knowledge Check

  • (n-1)d^(10)ns^(2) is the electronic configuration of

    A
    Zn
    B
    Cd
    C
    Hg
    D
    All of these

  • {:(,"Column I",,"Column II"),((A),"Inorganic benzene",(p),"An allotrope of carbon"),((B),"Fulerene",(q),"Orthosilicate"),((C),"Phenacite",(r),"An ore of boron"),((D),"Colemanite",(s),"Borazine" (B_(3)N_(3)H_(6))):}

    A
    A-s,B-p,C-r,D-q
    B
    A-p,B-s,C-q,D-r
    C
    A-q,B-r,C-s,D-p
    D
    A-s,B-p,C-q,D-r