Indian Institute of Technology Mumbai (IIT-M) 2006 Entrance Exams IIT Entrance Exams IIT Chemistry - Question Paper

A + 2B------->2C +D

The accurate statement is



(1) Equivalents of A= 2x equivalent of B

(2) Moles of A reacted = Moles of D formed

(3) Equivalent of B = Equivalents of C

(4) 2x moles of B reacted = moles of c formed



11 12g of mg will react completely with an acid to provide



(1) 1moles of O2 (2) ½ mole of H2



(3) one equivalent of H2 (4) two equivalent of H2



12 which of the subsequent contains the greatest number of

Atoms?



(1) 1g of O (2) 1g of O2



(3) 1g O3 (4) 1g F2



13 one gram atom of Na is equivalent to



(1) one gram equivalent of Na

(2) 13g

(3) 23g

(4) 1g



14 0.5 g of fuming H2SO4 g oleum is diluted with water

This solution is completely neutralized by 26.7 ml of

0.4 N NaOH the accurate statement is /are



(1) Mass of SO3 is 0.104 g

(2) % of free SO3 = 20.7

(3) N of H2SO4 for neutralization is 0.2 N

(4) Weight of H2SO4



15 100ml of 0.02 N Oxalic acid is equivalent to



(1) 100ml of 0.01M oxalic acid

(2) 6.023 x 1020 molecules of oxalic acid

(3) 50ml of 0.02 M oxalic acid

(4) 100 ml of 0.02M oxalic




Assertion – cause kind ques. (only 1 is correct)

1 STATEMENT-1: The equivalent mass of KMnO4 in acidic medium is M/5 where M = Molecular mass of KMnO4

Because

STATEMENT-2: Equivalent mass is equal to product of molecular mass and change in oxidation number.

Earning:   Approval pending.