Question # 1

The reaction which is zero order

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Decomposition ofN2O5

Formation of Glucose in plant

Formation of Fel2

Chorination of methane in sunlight

Reaction kinetics is important to discover the---under which reaction will proceed most economically:

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rate constant

Conditions

volume

equilibrium point

The forces of attraction between ions and water molecules are known as

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dipole-dipole forces

London forces

dipole- induced dipole forces

ion-dipole forces

Plastic, rubber, synthetic fibers belong to macromolecules:

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Inorganic

organic

Biopolymer

synthetic

The number of reacting molecules whose concentration change during reaction is called

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Activated molecule

Rate of reaction

Order of reaction

half-life

The nature of crystal of diamond is

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metallic

molecular

covalent

ionic

Daily protein intake for normal adults should be

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0.2 g/kg

0.5 g/kg

0.8 g/kg

1.1 g/kg

Which of the following has isomorphous structure

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NaF

S

Sn

N

Which compound shows the highest melting point

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water

Propanoic acid

Methanoic acid

Ethanoic acid

A molecule of polysacharide on hydrolysis produces __________of molecules of monosacharide,

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2 - 10

3

>10

2

The unit of R depends on

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Mole

Pressure volume

Temperature

None of these

ph of the buffer CH₃COOh + CH₃COONa is 3.76. If the mixture contains 1 molar acetic acid and 0.1 molar sodium acetate, then pKa of this buffer is

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3.76

4.76

5.76

6.76

Which one of following is not monocyclic aromatic hydrocarbon

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Benzaldehyde

Benzoic acid

Benzene sulfonic acid

Biphenyl

C₂H₅OH can be differentiated from CH₃OH by

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Reaction with HCl

Reaction with NH₃

Iodoform test

Solubility in water

Among the nitrogen containing fertilizer, the one with about 82% nitrogen content is

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Ammonium nitrate

Ammonia

Ammonium phosphate

Ammonium sulphate

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0 dm³

3 dm³

2 dm³

3 dm³

Ionization energy depends upon

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Nuclear charge

Atomic size

Shielding effect

All of the above

All C - H bond lengths of benzene ring is

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1.07A°

1.09A°

1.08A°

None

In lead accumulator the electrolyte is H₂SO₄solution is

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30% H₂SO₄

60% H₂SO₄

80% H₂SO₄

90% H₂SO₄

How many g of dibasic acid (mol. wt. 200) should be present in 100 ml of the aqueous solution to give 0.1 Normality?

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1 g

2 g

10 g

20 g

Mottling of teeth is due to presence of an element in drinking water

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Mercury

Fluorine

Boron

Chlorine

Ketons are prepared by the oxidation of

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Primary alcohol

Secondary alcohol

Tertiary alcohol

None of these

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