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(--CH_(2)-overset(CH_(3))overset("|")underset(CH_(3))underset("|")"C "-CH_(2)-overset(CH_(3))overset("|")underset(CH_(3))underset("|")"C "--)_(n)is a polymer having monomer units ........................

-CH_(2)-OH on oxidation gives

.................... Cell is used in pacemakers, electronic watches and cameras.

............... cause a controlled and reversible loss of consciousness by affecting central nervous system.

......... catalyst is used to convert sugar into Glucose and Fructose.

........ catalyst is used in polymerization of propylene.

...... catalyst is used in decomposition of ozone.

The acid that cannot be prepared by Grignard reagent

................ cannot be prepared by grignard reagent since the acid contains only one carbon atom.

, can be differentiated by :

( C) and (D) are respectively

………………………….. brings fission in U^(235).

+Br_(2)underset(.^(o+)OH)overset(0^(@)C)rarrA Write down the structure of A? What is the use of A ?

_____ being an aldehyde does not respond Fehling solution test.

.................... become soft on heating and hard on cooling and they can be remoulded.

.................... Battery is used in automobiles.

, At time t=0, intial mole of A is 1. Overall half time of the reaction is 15 days. Then calculate the number of mole of C after 45 days if the raio of k_(1):k_(2):k_(3) is 4:2:1

……………………as biocatalysts that catalysea specific biochmicalreaction.

………………..arises due to the presence of more number of metalions as compared to anions.

………………….. arises due to the presence of less number of cations than the anions.

……………..arises due to the dislocation of ions from its crystal lattice.

.......... are useful in making tissues free from microorganisms.

........... are used to demineralise water.

……………………. Are used as insulating material.

____________ are substances that enhance the activity of the catalyst.

…………… aresynthesisedby greenleaves duringphoto synthesis .

................... are substances which retard the oxidative deteriorations of food.

_______are produced when a drug binds to more than one type of receptor

………………….. Are high temperature polymers.

........... are microporous, hydrated alumino silicates.

......... are added during preparation of medicated soap.

................... are drugs that used to reduce fever and prevent platelet coagulation

........... are complex protein molecules and catalyse the chemical reaction in living organism.

........... and ........... are used in petroleum refining and refining of vegetable oil.

_______ and ______ are useful antioxidants forwine and beer .

_________ and ________ are formed by the disproportionation reactionof CrO_(4)^(3-) ion in acid medium.

_________, __________ and _________among the d - block elements are not considered as transition elements.

…………….. Amine does not react with Hinsberg's reagent.

……………………….alkyl halides undergo substitution by SN^2 reaction whereas …………………….and …………………. alkyl halides undergo substitution by SN^1 reaction.

……………….. alcohols undergo dehydration by E_2 mechanism whereas ………………. Alcohols undergo dehydration by E_1 mechanism.

............ acts on the central nervous system by blocking the neuro transmitter dopamine in the brain.

________ act as a shok absorber and lubricant.

. A sample of 0.42 gm os (A) with excess of MeMgBr gives 224 ml of CH_4 (g) at S.T.P Give the structure of (A) and write the equations involved.

(a) (i) What are condensation polymers? Give an example. (ii) Give the IUPAC of the monomer of natural rubber. (b) What are Biodegradable polymers? Give an example.

(a) Complete and balance the following reaction (i) SO_(2) + H_2S overset("Oxidation")(rarr) (ii) FeCl_3 + H_2O overset("Hydrolysis")(rarr) (b) Mention two characteristics of enzyme catalysis (c) What is the sign of DeltaSfor the adsorption of gas on solids?

( A) Benzamide is amphoteric in nature. (R) Benzoyl chloride is more reactive than acetyl chloride towards nucleophilic substitution reactions.

+5 oxiation state of bismuth is less stable then +3. Why?

+4 oxidation state is most inportant for

(+2)2- Methylbutan-1-ol and (-2)2-Methylbutan -1-ol have different values for which property?

(+-) 2-Phenylpropanoic acin on treatment with (+) 2-butanol gives (A) and (B). Deduce their structures and also establish stereochemical relation between them.

_ and are useful antioxidants forwine and beer .

_ and are formed by the disproportionation reactionof CrO_(4)^(3-) ion in acid medium.

_, and ___among the d - block elements are not considered as transition elements.