JEE-Advance Chemistry 2015 Paper 2

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SECTION - I

This section contains 8 questions. Each question, when worked out will result in one integer from 0 to 9 (both inclusive). 1. 2.

II. II.

Three moles of B2H6 are completely reacted with methanol. The number of moles of boron containing product formed is The molar conductivity con ductivity of a solution solution of a weak weak acid HX (0.01 M) is 10 times smaller than th an the th e molar conductivity of a solution of a weak acid HY (0.10 M). If the difference in 0 0 l x – » l y – 

III.

their pK a values, pK a(HX) – pK a (HY), is (consider degree of  ionization of both acids to be