Question # 1

The unit of rate constant for a zero order reaction is

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Liter sec^-1

Liter mol^-1sec^-1

Mol liter^-1sec^-1

Mol sec^-1

The number of oxygen atoms in 4.4 g of CO₂ is approximately

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1.2 x 10²³

6 x 10²²

6 x 10²³

12 x 10²³

How many moles of Helium gas occupy 22.4 L at 0^oC at 1 atm.Pressure?

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0.11

0.90

1.0

1.11

Toluene can be oxidized to benzonic acid by

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KMnO4 (alk)

K₂Cr₂O₇(acidic)

Both

None

Ammonia gas used directly as a fertilizer is injected into the soil at a depth of about

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Two inches

Three inches

Five inches

Six inches

The bond angle H - O - H in ice is closest to

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120° , 28°

60°

90°

109°

Isopropyl alcohol on oxidation forms

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Acetone

Ether

Ethylene

Acetaldehyde

During the folding of filter paper the apex form angle of about

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80^o

60^o

180^o

90^o

At room temperature formaldehyde is

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Gas

Liquid

Solid

None of the above

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