Question

A is green amorphous solid which on strong heating decompose to form a black residue B and colourless, odourless acidic gas c which turns lime water milky. when dilute sulphuric acid is added to B a blue solution of salt D is formed. identify A, B, c and D​

Answer 1

Answer:

(b)Select a basic gas mentioned in Q.1 (a). How is the basic nature suspected?

(c)Select acidic gases from the gases mentioned in Q.1 (a). How is the acidic nature suspected?

(d)The two gases A and B are bleaching agents. A is greenish yellow and bleaches due to its oxidizing property while B is colourless gas that bleaches due to reduction. Identify A and B?

(e)Which gas turn blue cobalt chloride paper light pink?

Give one similarity in test between (i)Cl2 and HCl (ii) SO2 and CO2.