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WB JEE PREVIOUS YEAR PAPER-QUESTION PAPER 2007-CHEMISTRY
- Rates of diffusion of H(2),D(2),HD and He gases will be in the order:
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- Which of the following will have the highest coagulating power for As(...
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- CH(2)CH(2)CH(2)CH(3)overset("catalyst")(to)CH(3)-underset(CH(3))unders...
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- C(6)H(5)N(2)^(+)Cloverset(X,Y)(to)C(6)H(5)Cl+N(2) X and Y in the abo...
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- In the reaction C(6)H(5)CHO+HCHOoverset(NaOH)(to)X+Y The compounds...
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- The polymeric material produced in the condensation reaction between H...
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- The half life of a given reaction is doubled as the initial concentrat...
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- For a zero order reaction with specific rate constant k(0), linear plo...
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- The type of hybridisation in diborane is
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- Elemental chlorine cosists of two isotopes, ""^(37)Cl and ""^(35)Cl. A...
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- Correct order of electron affinity of the halogen atoms are
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- For a reversible reaction, if the concentration of the reactants are d...
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- Which of the following is most acidic in character?
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- In a reaction ""(4)Be^(9)+"Projectile"to""(4)Be^(8)+""(0)n^(1), the pr...
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- Conversion of RCOOH to RCH(2)OH can be achievedby
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- The root mean square speed at sTP of molecules H(2),N(2),O(2) and HBr ...
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- Which of the following compound forms two isomeric oxims on reactig wi...
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- 3-phenyl propene on reaction with HBr gives (as a major product)
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- BaSO(4) is water insoluble although it is an ionic compound because of
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- The atmospheric gas which cannot produce greenhouse effect is
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