A gaseous mixture of Cl_2 ClO_p(p) (p an integer ) and NH_3 in the molar ratio 1 : 4 : 6 having a total volume

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Q 1260478315.     A gaseous mixture of Cl_2 ClO_p(p) (p an integer ) and NH_3 in the molar ratio 1 : 4 : 6 having a total volume 110 ml is taken and underwent sparking I causing only decomposition of oxide of Cl_2 gas and O_2 gas resulting a rise in Volume by 20 ml . On sparking II only partial decomposition of NH_3 took place and the resulting mixture on passing through water showed a contraction by 20 ml .On sparking III of the resulting mixture some drops of water formed with only one more product and the mixture when passed through KOH (absorbs Cl_2 only ) showed no volume change . Form this information calculate

Volume change that would be observed when the mixture after III sparking is over is passed (through alkaline pyragallol ).
A

0

B

3/10

C

3/5

D

2/5

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