This document contains a chemistry exam with multiple choice, passage, and matching questions across several sections. Section A contains 3 multiple choice questions about chemical compounds and reactions. Section B has 2 multi-select questions about properties of compounds. Section C is a passage with 3 questions about a chemical reaction and properties. Section D has a calculation question. Section E is a matching question between lists. The key is provided with the correct answers.

1. ----------------------------------------------------------------------------------------------------------------------------------
CHEMISTRY
----------------------------------------------------------------------------------------------------------------------------------
SECTION-A
Question number (1 to3) are multiple choice questions with one correct answer (+3 for correct and –1 for
wrong)
1. Which of the following, on dissolving in NaOH solution, will form a mixture of NaClO2 and NaClO3 ?
a) Cl2O b) ClO2 c) Cl2O6 d) Cl2O7
2. Which of the following species is aromatic.
a) b) c) d)
Q
Å
Å
3. Which one of the following reactions involves formation of a new carbon – carbon bond.
a) hydroxylation of alkenes using KMnO4 b) Reduction of Alkynes to Alkane
c) Wittig reaction d) decarboxylation of sodium acetate
SECTION-B
Question number (13 to 14) are multiple choice questions with one or more than one correct answer (+5
for correct and –1 for wrong )
13. Which of the following statements is/ are true ?
a) P4O10 has all P-O bonds of the same length b) P4O6 has all P – O bonds of the same length
c) H 3PO3 has one P – H bond d) H 2S 2O7 has an S – O – S linkage
14. Which of the following groups have – M effect . O
||
a) - NO2 b) - SO3H c) - Cl d) - NH - C - R
SECTION-C
This section contains one passage containing three questions(+5 for correct and –2 for wrong answer)
A black mineral is fused with KOH mixed with KNO3 till a green mass is obtained. The green mass
is reached with water and the solution is treated with Cl2 gas, when the colour changes to purple. The purple
solution on crystallization gives dark crystals. The black mineral oxidises HCl to Cl2 .
21. What is the colour of the green mass due to ?
a) K 2CrO4 b) Cr2O3 c) FeSO4 d) K 2MnO4
22. Which of the following is true for the purple compound ?
a) It is diamagnetic b) In solution, its purple colour is discharged by SO2
c) In solution, the purple colour is discharged by Fe 2+ d) All of these
23. The equivalent weight of the dark crystals to be used as an oxidising agent in acid medium will be
a) Mol.wt / 2 b) Mol wt / 3 c) Mol wt / 4 d) Mol wt / 5

2. SECTION-D
This section contains one question (ICR model) (+6 for marks for correct answer and 0 for wrong
answer)
33. Calculate the vapour pressure of an aqueous solution of 1.0 molal glucose solution at 1000C
SECTION-E
This section contains one matching type question which may have more than one matching (+6 for
correct answer and 0 for wrong answer)
37. List I List II
a) Organometallic compond p) Lindlar catalyst
b) Hydrogenation q) Tollen’s reagent
c) Sodamide r) Gilman’s reagent
d) Ammonical A gNO3 s) dehydro halogenation

3. --------------------------------------------------------------------------------------
CHEMISTRY
----------------------------------------------------------------------------------------------------------------------------------
KEY
SECTION – A
1) b 2) c 3) c
SECTION – B
13) b, c, d 14) a, b
SECTION – C
21) d 22) d 23) d
SECTION – D
33) 746.3
SECTION – E
37) a - r, b - p, c - s, d - q