JEE (Advanced) 2007 Paper-2

Instructions

For the following questions answer them individually

JEE (Advanced) 2007 Paper-2 - Question 31


Consider a reaction $$aG + bH \rightarrow$$ Products. When concentration of both the reactants G and is doubled, the rate increases by eight times. However, when concentration of G is doubled keeping the concentration of H fixed, the rate is doubled. The overall order of the reaction is

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JEE (Advanced) 2007 Paper-2 - Question 32


STATEMENT-1: Alkali metals dissolve in liquid ammoniato give blue solutions.
because
STATEMENT-2: Alkali metals in liquid ammonia give solvated species of the type $$[M(NH_3)_n]^{+}$$ (M = alkali metals).

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JEE (Advanced) 2007 Paper-2 - Question 33


STATEMENT-1: Glucose gives a reddish-brown precipitate with Fehling’s solution.
because
STATEMENT-2: Reaction of glucose with Fehling’s solution gives CuO and gluconic acid.

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JEE (Advanced) 2007 Paper-2 - Question 34


STATEMENT-1: Molecules that are not superimposable on their mirror images are chiral.
because
STATEMENT-2: All chiral molecules have chiral centres.

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JEE (Advanced) 2007 Paper-2 - Question 35


STATEMENT-1: Band gap in germanium is small.
because
STATEMENT-2: The energy spread of each germanium atomic energy level is infinitesimally small.

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JEE (Advanced) 2007 Paper-2 - Question 36


Among the following, identify the correct statement.

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JEE (Advanced) 2007 Paper-2 - Question 37


While $$Fe^{3+}$$ is stable, $$Mn^{3+}$$ is not stable in acid solution because

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JEE (Advanced) 2007 Paper-2 - Question 38


Sodium fusion extract, obtained from aniline, on treatment with iron(II) sulphate and $$H_2SO_4$$ in presence of air gives a Prussian blue precipitate. The blue colour is due to the formation of

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JEE (Advanced) 2007 Paper-2 - Question 39


Which one of the following reagents is used in the above reaction?

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JEE (Advanced) 2007 Paper-2 - Question 40


The electrophile in this reaction is

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