JEE (Advanced) 2015 Paper-1

Instructions

For the following questions answer them individually

Question 61

In the following reaction, the major product is

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Question 62

The structure of D-(+)-glucose is


The structure of L-(—)-glucose is

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Question 63

The major product of the reaction is

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Question 64

The correct statement(s) about $$Cr^{2+}$$ and $$Mn^{3+}$$ is(are)
[Atomic numbers of Cr = 24 and Mn = 25]

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Question 65

Copper is purified by electrolytic refining of blister copper. The correct statement(s) about this process is (are)

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Question 66

$$Fe^{3+}$$ is reduced to $$Fe^{2+}$$ by using

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Question 67

The % yield of ammonia as a function of time in the reaction
$$N_2(g) + 3H_2(g) \rightleftharpoons 2NH_3(g), \triangle H < 0$$ at $$(P, T_1)$$ is given below.


If this reaction is conducted at $$(P, T_2)$$, with $$T_2 > T_1$$, the %yield of ammonia as a function of time is represented by

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Question 68

If the unit cell of a mineral has cubic close packed (ccp) array of oxygen atoms with m fraction of octahedral holes occupied by aluminium ions and n fraction of tetrahedral holes occupied by magnesium ions, m and n, respectively, are

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Question 69

Match the anionic species given in Column I that are present in the ore(s) given in Column II.

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456
123
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Question 70

Match the thermodynamic processes given under Column I with the expressions given under Column II.

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456
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