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{:("column I","column II"),("(A)"4.1gH(2...

`{:("column I","column II"),("(A)"4.1gH_(2)SO_(3),"(p) 200 mL of 0.5 N base is used for complete neutralization"),("(B)" 4.9 g H_(3)PO_(4),"(q) 200 millimoles of oxygen atoms"),("(C)"4.5 g " oxalic acid" (H_(2)C_(2)O_(4)),"(r) Central atom is in its highest oxidation number"),("(D)"5.3 g Na_(2)CO_(3),"(s)May react with an oxidising agent"):}`

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[H=1, C=12,O=16, Na=23, P=31,S=32] {:("Column-I","Column-II"),((A)4.1 g H_2SO_3,(p)"200 ml of 0.5 N NaOH is used for complete neutralization"),((B)4.9 g H_3PO_4,(q)"200 millimoles of oxygen atoms"),((C )4.5 g "oxalic acid"(H_2C_2O_4),(r)"Central atom has its highest oxidation number"),((D)4.3 g Na_2CO_3,(s)"May react with an oxidising agent"),(,(t)"Shape around central atom is regular"):}

{:("Column I",,"Column II"),("(A) 3 moles of " Co(NH_(3))_(4)SO_(4),,"(P) 3 moles of S atom"),("(B) 1 mole " FeKCo(NO_(2))_(6),,"(Q) 1 mole Fe"),("(C) 1.5 moles" [Fe(H_(2)O)_(5)SCN]SO_(3),,"(R) 12 moles O atoms"),("(D) 0.75 moles " K_(2)Cu(SCN)_(4),,"(S) 6 moles N atoms"),(,,"(T) 1.5 moles K atoms"):}

1.8 g of oxalic acid (H_(2)C_(2)O_(4)) is dissolved in 200 mL of a solution. Find out the molarity of the resultant solution.

Mathc the column- {:("Column I" ("For the production of " H_(2)O_(2)),,"Column II"),("(A) " BaO_(2).8H_(2)O,,"(p) Reduction and oxidation"),("(B) " Na_(2)O_(2),,"(q) reacts with NaOH"),("(C) " H_(2)SO_(4),,"(r) electrolysis then hydrolysis"),("(D) Ethyl derivative of anthraquinone",,"(s) Reacts with " H_(2)SO_(4)):}

{:("Column I","Column II"),((A)H_(3)PO_(3)overset(Delta)to,(p)"One of the products acts as a reducing agent"),((B)PCl_(3)+H_(2)Ooverset(Delta)to,(q)"One of the products is a tribasic non-reducing acid."),((C)N_(2)+H_(2)Oto,(r)"Dehydration"),((D)HNO_(3)+P_(4)O_(10)overset(Delta)to,(s)"In one of the products , central atom has +5 oxidations state."):}

{:("Column I (Crystal)" , "Column II (Crystal system)"),("(A)" "CuSO"_(4).5 H_(2)O, "(p) Hexagonal"),("(B)" Na_(2)SO_(4).10 H_(2)O, "(q) Cubic"),("(C) Dimaond" , "(r) Monoclinic"),(" (D) Graphite" , "(s) Triclinic"):}

Match the term given in Column I withthe equation given in Column II {:("Column I " , "Column II") , ("(A) Enthalpy of formation", (p) CuSO_(4) (s) + 5 H_(2) O (l) to CuSO_(4) 5H_(2)O), ("(B) Enthalpy of combustion" , (q) CuSO_(4) (s) + nH_(2) O (l) to CuSO_(4) (aq)),("(C) Enthalpy of solution " , (r) C(s) + O_(2) (g) to CO_(2) (g)) , ("(D) Enthalpy of hydration" , (s) CH_(4) + 2 O_(2) to CO_(2) + 2 H_(2)O):}

Match the entries of column I with appropriate entries of coloumn II. Each entry in column I may have one or more than one correct option from column II. If the correct matches are A-p, s , B-r, C-p, q , D-s, then the correctly bubbled 4 xx 4 matrix should be as follows : {:(,"Column I",,"Column II"),((A),H_(3)PO_(3) overset(Delta)rarr,(p),"One of the products acts as a reducing agent."),((B),PCl_(3) + H_(2)O overset(Delta)rarr,(q),"One of the products is a tribasic non-reducing acid."),((C),NO_(2) + H_(2)O rarr,(r),"Dehydration"),((D),HNO_(3) + P_(4)O_(10) overset(Delta)rarr,(s),"In one of the products, central atom has +5 oxidation state."):}

{:(,"Column -I",,"Column -II"),((A),H_(3)PO_(3),(p),m=2.79" mol/kg"),((B),20 " vol . of "H_(2)O_(2),(q),M=2.31" mol"L^(-1)),((C),"3 M NaCl solution with "d=1.25 g cm^(-3),(r),1.7 " mol "L^(-1)),((D),"Mole fraction of ethanol in" H_(2)O = 0.04 ,(s),"Dibasic "),(,,(t),3.4 N):}

{:("Column I","Column II"),((A)2NO_(2)overset("Cool")to,(p)"One of the products is a mixed anhydride ." ),((B)CIO_(2)+O_(3)overset(H^(+))to,(q)"One of the products is an acidic oxide."),((C)K_(4)[Fe(CN)_(6)]+H_(2)SO_(4)("conc".)+H_(2)Ooverset(Delta)to,(r)"The oxidation state of the central atom of one of the products is +6."),((D)KOH+O_(3)to,(s)"One of the products is a colourless paramagnetic gas".):}

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