The diagram below represents part of a set-up used to prepare and collect gas T.

(a) Name two reagents that are reacted to produce both carbon (IV) oxide and carbon (II) oxide.
(b) Write the equation for the reaction which takes place in the wash bottles.
(c) Give a reason why carbon (II) oxide is not easily detected.

Answer:

a)Oxalic acid and concentrated sulphuric (VI) acid.

b)
#2KOH(aq)+CO_2(g)rightarrow#
#K_2CO_3(aq)+H_2O(l)#

c)
-It is odourless, colourless.

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