State what will be the effect of each of the following solutin on blue litmus-
(i) `K_(2)CO_(3)` soln (ii) KCl soln (iii) `NH_(4)NO_(3)` soln

What is the product formed in each case when following compounds react with conc. H_(2)SO_(4) ? (i) KCl (ii) KBr (iii) NH_(3) (iv)PCl_(5)

Write IUPAC name for each of the following complexes : (i) [Ni(NH_3)_6]Cl_2 (ii) K_3[Fe(CN)_6] (iii) [Co(en)_3]^(3+)

Write the name, the structure and the magnetic behaviour of each one of the following complexes : (i) [Pt(NH_(3))_(2)Cl(NO_(2))] (ii) [Co(NH_(3))_(4)Cl_(2)]Cl (iii) Ni(CO)_(4)" " (Al nos, Co = 27 , Ni = 28, Pt = 78 )

State the method only, generally used for the perparation of the following salts (i) Zn(NO_(3))_(2) (ii) NH_(40Cl (iii) ZnSO_(4) (iv) ZnS (v) CaCO_(3) (vi) FeCl_(3) (vii) PbCl_(2) (viii) Pb(NO_(3))_(2)

Write the state of hybridization, the shape and the magnetic behaviour of the following complex entities: (i) [Cr(NH_(3))_(4) Cl_(2)]Cl (ii) [Co Fe_(6)]^(3-) (iii) K_(2)[Ni(CH)_(4)]

When cyclohexanone is treated with Na_(2)CO_(3) soln, we get

Calucultae the freezing point of the solution containing 24.8g solute per kg water for each of the following solutes K_(f) = 1.86C//m (a) [Co(NH_(3))(NO_(2)_(3)] (b) [Co(NH_(3))_(4)(NO_(2))][Co(NH_(3))(NO_(2))_(4)] (c ) [Co(NH_(3))_(5)(NO_(2))[Co(NH_(3))(NO_(2))_(4)]^(2) [Mw of (a) 248g (b) 496 g (c ) 744 g]

Which of the following compounds give paramagnetic gas on decomposition (i) Pb(NO_(3))_(2) (ii) LiNO_(3) (iii) NaNO_(3) (iv) NH_(4)NO_(2)

Write the IUPAC name of the following : (i) [Co(NH_(3))_(6)]Cl_(3) (ii) [NiCl_(4)]^(2-) (iii) K_(3)[Fe(CN)_(6)]

Calculate the O.S. of all the central atoms in the following species : (i) ClO^(-), (ii) NO_(2)^(-) , (iii) NO_(3)^(-) , (iv) C Cl_(4), (v) K_(2)CrO_(4) " and " (vi) KMnO_(4)