Please select a subject first
Advertisements
Advertisements
Answer the following in one sentence.
Give one example each of copolymer and homopolymer.
Concept: undefined >> undefined
Answer the following.
Write the names of classes of polymers formed according to intermolecular forces and describe briefly their structural characteristics.
Concept: undefined >> undefined
Advertisements
Answer the following.
Classify the following polymers as natural and synthetic polymers
- Cellulose
- Polystyrene
- Terylene
- Starch
- Protein
- Silicones
- Orlon (Polyacrylonitrle)
- Phenol-formedehyde resins
Concept: undefined >> undefined
Answer the following.
What are synthetic resins? Name some natural and synthetic resins.
Concept: undefined >> undefined
Answer the following.
Distinguish between thermosetting and thermoplastic resins. Write example of both the classes.
Concept: undefined >> undefined
Answer the following
How is polythene manufactured? Give their properties and uses.
Concept: undefined >> undefined
Attempt the following:
Classify the following polymer as straight-chain, branched-chain and cross-linked polymers.
\[\begin{array}{cc}\ce{- (CH2 - CH -)_\text{n}}\\
\phantom{.....}|\\\ce{\phantom{.......}CN}\end{array}\]
Concept: undefined >> undefined
Attempt the following:
Classify the following polymer as straight-chain, branched-chain and cross-linked polymers.
\[\begin{array}{cc}
\ce{-(CH2 - CH2 - CH - CH2 - CH2)_\text{n}}\\
|\phantom{..}\\\ce{\phantom{..}CH2}\\
|\phantom{..}\\\ce{\phantom{..}CH2}\end{array}\]
Concept: undefined >> undefined
Attempt the following:
Classify the following polymer as straight-chain, branched-chain and cross-linked polymers.
Concept: undefined >> undefined
Answer the following.
Explain in detail free radical mechanism involved during preparation of addition polymer.
Concept: undefined >> undefined
Answer the following in one or two sentences.
For the reaction,
\[\ce{CH3Br_{(aq)} + OH^-_{ (aq)} -> CH3OH^-_{ (aq)} + Br^-_{ (aq)}}\], rate law is rate = k`["CH"_3"Br"]["OH"^-]`
What is the change in rate if concentrations of both reactants are doubled?
Concept: undefined >> undefined
What are the types of ligands? Give one example of each type.
Concept: undefined >> undefined
Amongst the following, the ambidentate ligand is ____________
Concept: undefined >> undefined
Write one example of each of bidentate and ambidentate ligand.
Concept: undefined >> undefined
The following types of solids contain molecules as constituent particles?
Concept: undefined >> undefined
Which of the following is an amorphous solid?
Concept: undefined >> undefined
Why do phenols give deep coloration with neutral ferric chloride?
Concept: undefined >> undefined
Draw the structure of the major product of hydroboration-oxidation of propene.
Concept: undefined >> undefined
Derive the equation which implies that the degree of dissociation of weak acid is inversely proportional to the square root of its concentration.
Concept: undefined >> undefined
Distinguish between strong electrolyte and weak electrolyte.
Concept: undefined >> undefined
