Chain growth or addition polymerisation

IMPORTANT

Chain growth or addition polymerisation: Overview

This Topic covers sub-topics such as Free Radical Addition Mechanism, Reaction of Chain Terminating Step, Reaction of Chain Propagating Step and, Reaction of Chain Initiation Steps

Important Questions on Chain growth or addition polymerisation

MEDIUM
IMPORTANT

Briefly define the chain propagation step.

EASY
IMPORTANT

Disproportionation reaction forms saturated and unsaturated polymeric chain during chain termination step of addition polymerization.

EASY
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The unsaturated polymer formed during termination of addition polymerization is known as living polymers.

EASY
IMPORTANT

What are disproportionation termination reaction? Give its reaction.

MEDIUM
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How chain propagation step is different from chain initiation step?

MEDIUM
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Why are the propagation steps described as a chain reaction?

MEDIUM
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State the chain propagating step in chlorination of methane.

HARD
IMPORTANT

Which of following will not be major product of the given below reaction:

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EASY
IMPORTANT

The major product of the following reaction is _________

Styrene ii Na, dry etheri HBr, C6H5CO2O2,Δ

HARD
IMPORTANT

Write the free radical mechanism for the polymerisation of ethene.

HARD
IMPORTANT

Explain the chain termination mechanism of addition polymerisation reaction ?

HARD
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The polymerisation of ethene to polythene consists of heating or exposing to light a mixture of ethene with a small amount of _____ initiator.

HARD
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Give the detailed information about chain initiating step of polymerisation of ethene.

HARD
IMPORTANT

Write the steps involved in the free radical mechanism in polymerisation of ethylene.

MEDIUM
IMPORTANT

Following monomer are used to prepare polymer. Predict the structure of polymer.

Isobutylene.

HARD
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What are the different possibilities in the chain terminating step?

MEDIUM
IMPORTANT

What is addition polymerisation? Explain free radical addition polymerisation mechanism by taking an example.

MEDIUM
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In free radical polymerization, what is the role of hydroquinone. Explain.

HARD
IMPORTANT

How many methods of chain termination are there in free radical mechanism?

HARD
IMPORTANT

Major product of the given below reaction:
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