Indian National Chemistry Olympiad 2022 - Answer Key

IOQC 2021-2022-Part II INChO Solutions


Indian Olympiad Qualifier in Chemistry (IOQC) 2021-2022
conducted jointly by
Homi Bhabha Centre for Science Education (HBCSE-TIFR)
and
Association of Chemistry Teachers (ACT)

Part II: Indian National Chemistry Olympiad (INChO)
Homi Bhabha Centre for Science Education (HBCSE-TIFR)
Date of Exam- March 20, 2022

Solutions May 2, 2022
Problem 1 20 marks

A journey into epoxy resins
1.1 (2 marks)




M N


1.2 i) (3 marks)




P Q R




S T U



1.2 ii) T (isomer with the two –OH groups at para position of benzene rings) (1 mark)

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, IOQC 2021-2022-Part II INChO Solutions

1.3 i) (1 mark)




V




1.3 ii) (1.5 marks)




W


1.3 iii) b) X c) X d) X (1 mark)


1.3 iv) (2 marks)




1.3 v) NaCl, increases tensile strength (1.5 marks)




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