NEET Chemistry Redox Reactions Questions Solved


1.2 gm of carbon is burnt completely in oxygen (limited supply) to produce CO and CO2. This mixtureof gases is treated with solid I2O5 (to know the amount of CO produced), the liberated iodine required120 ml of 0.1 M hypo solution for complete titration. The % of carbon converted into CO is :

(1) 60%

(2) 100%

(3) 50%

(4) 30%

(4)

moles of I2 liberated = 12 moles of hypo consumed = 12 × 120 × 10-3 × 0.1 = 60 × 10-4

So x = 5 × 60 × 10–4 = 0.03 moles

So % of C forming CO = 30%. 

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