1.

How many of the following are correctly match: (1) Cl_2O -(a) yellow-brown gas (bp. 10^@ C). (2) ClO_2- (b) React with O_3 gives Cl_2O_5 (dark red) it is a mixed anhydride of HClO_3 and HClO_4. (3) Cl_2O_7 - (c ) It is anhydride of HCIO_4 (only). (4) Cl_2O_7- (d) Oily explosive colourless liquid. (5) Cl_2O_7 - (e) has 2 type of O—Cl bond length.(6) I_2O_5- (f) Obtained by reaction between l_2 and CO.

Answer»

(1)-(a) , (2)-(b) , (3) -(c ) , (4)-(d)
(3)-(b) , (4)-(e) , (5) -(d ) , (6)-(f)
(1)-(b) , (2)-(a) , (3) -(c ) , (4)-(d)
(2)-( c) , (3)-(b) , (4) -(d ) , (5)-(e)

Solution :`ClO_2 + O_3 OVERSET(0^@C)to Cl_2O_6` (dark red)
`Cl_2O_6 + H_2O to HClO_3 + HClO_4`
`2HClO_4 overset(-H_2O)to Cl_2O_7`

`I_2O_5+5CO to l_2 +CO_2` (This `l_2` titrated by hopo solution)


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