The molecularity and the order of reaction respectively, for the hydrolysis of methyl acetate in presence of acids are

In what ratio should a 20% methyl alcohol solution be mixed with a 50% methyl alcohol solution so that the resultant solution has 40% methyl alcohol in it?

A

1 : 2

B

2 : 1

C

1 : 3

D

3 : 1

Solvent deoiling process is used for separating oil and soft wax from hard wax. Methyl iso-butyl ketone and methyl ethyl ketone (MEK) are two commonly used deoiling solvents. Use of former as the deoiling solvent has the advantages of the

A

Elimination of solvent drying facility

B

Higher nitration temperature

C

Lower solvent dilution ratio

D

All of the above

Molecularity of an elementary reaction, P + Q → R + S is

A

1

B

2

C

3

D

4

Molecularity of a reaction

A

Is always equal to the overall order of reaction

B

May not be equal to the order of reaction

C

Can't have a fractional value

D

Both B and C

The reactions of high molecularity are rare, because

A

Of very large activation energy of many bodies

B

Of low probability of many body collisions

C

Many body collisions are not favoured energetically

D

Of requirement of very large concentration for such reactions

Lead acetate test in sewer manhole is done to test the presence of

A

Methane gas

B

Hydrogen sulphide

C

Carbondioxide gas

D

Diesel vapours

Vegetable oils contain large quantity of glycerides of unsaturated acids. When the vegetable oils contain high amount of saturated fatty acids, it is termed as __________ oil.

A

Drying

B

Semi-drying

C

Non-drying

D

None of these

Polyvinyl acetate is never used for making

A

Moulded articles

B

Fibres

C

Adhesives

D

All of the above

__________ polymer is produced by the copolymerisation of vinyl chloride-vinyl acetate.

A

Fibrous

B

Leathery

C

Rubbery

D

Hard

For obtaining vinyl chloride acetate, the method used, is

A

Addition polymerization

B

Condensation polymerization

C

Co-polymerization

D

None of these

The molecularity and the order of reaction respectively, for the hydrolysis of methyl acetate in presence of acids are

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