Sulfides of cation of group II are precipitated in acidic solution `(H_2S + HCl)` whereas sulfides of cations of group III B are precipitated in ammoniacal solution of `H_2S`. Comment on the relative values of solubility product of sulfides of these.

Aqueous solution of [Co(H_2O)_5SO_4]C1 gives precipitate with

Draw the structures for the following compound. Hydrogen sulfide (H_2S)

Battery acid is 4.22 M aqueous H_2SO_4 solution, and has density of 1.21 g cm^(-3) . What is the molality of H_2SO_4 ? H =1, S = 32, O = 16 .

In the complex with formula MCl_3. 4H_2O , the coordination number of the metal M is six and there is no molecule of hydration in it. The volume of 0.1M AgNO_3 solution needed to precipitate the free chloride ions in 200 mL of 0.01 M solution of the complex is _________.

A vertical metal rod 1 m long performs linear S.H.M.at right angles to B_H of 4 xx 10^-5 (Wb)/m^2 with an amplitude of 5 cm and a period of pi s . The values of maximum and minimum emfs induced in it are

Arrange the following on basis of their increasing acidic strenght. (i) ROH (ii)Ar-OH (iii) HCl (iv) H_2O

Which of the following solids is not an electrical conductor? i) Mg(s) ii) TiO(S) iii) I_2(s) iv) H_2O(s) .

Arrange the following compounds in the increasing order of oxidation number of “S”. (i) H_2SO_4 (ii) H_2S_4O_6 (iii) Na_2S_2O_3 (iv) SO_3^(2-)

From the infromation,prepare the tax invoice for business to customer(B2C).write any name,address,date,etc..Supplier:M/s………..Address……….Date………..Invoice no……………….GSTIN………….. Name of products: (i)Jam Bottle ₹75,1 piece,Rate of GST 12%,HSN 1207 (ii)Honey bottle ₹60,1piece,Rate of GST 5%,HSN 3607 (iii)Perfume bottle ₹225,1 piece,Rate of GST 18%,HSN 9319