20.2 litres of a mixture of nitrous and nitric oxide at STP have a mean molecular weight of 39.8 Watt volume of Nitrogen measured at STP could be obtained when the mixture has been passed over Red Hot copper

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Q. When

C O_{2} (g)

is passed over red-hot coke it partially gets reduced to

C O (g)

. Upon passing

0.5

litre of

C O_{2} (g)

over red-hot coke, the total volume of the gases increased to

700 m L

. The composition of the gaseous mixture at STP is :

60

mL of a mixture of nitrous oxide and nitric oxide was exploded with excess of hydrogen. If

38

mL of

N_{2}

was formed, then the volume (in mL) of nitric oxide in the mixture is (all measurements are made at constant

P

and

T

) :

Q. The weight of 1 litre of ozonized oxygen at STP was found to be 1.5 gm. When 100 ml of this mixture at STP was treated with turpentine oil, the volume was reduced to 90 ml. The molecular weight of ozone is:

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Q. The weight of

1

L of ozonised oxygen at STP was found to be

1.5

g. When

100

mL of this mixture at STP was treated with turpentine oil, the volume reduced to

90

mL. The molecular weight of ozone is :

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