Burlington junior college
Sub:Chemistry
M.MARKS:- (25)
STD:- 12TH- Science DATE:-12/08/2021
Q.A) MCQ (04)
1) Which of the following element is most reactive?
a) Chlorine
b) Fluorine
c) Bromine
d) Iodine
2) Which of the following is not a mineral of fluorine?
a) Fluorspar
b) Cryolite
c) Fluoroapatite
d) Carnallite
3) Fitting reaction can be used to prepare
(a) Toluene
(b) Acetophenon
(c) Diphenyl
(d) Chlorobenzene
4) Chloropicrin is formed by the reaction of
(a) steam on carbon tetrachloride.
(b) nitric acid on chlorobenzene.
(c) chlorine on picric acid.
(d) nitric acid on chloroform
Q.B) VSA (04)
1) What is halogen derivatives.
2) Define p-Block elements
3) What is electronic configuration of group-17
4) Write any one minerals of fluorine
Q.C) SA any four (08)
1) What is oxide and give it's classification
2) Define alkyl halide & give it's classification
3) Explain Optical activity of 2-Chloro butane
4) Write uses and properties of chlorine
5) Explain Wurtz fitting reaction
Q.D) LA any three (09)
1) Explain the structure of XX3'
2) Write down anomalous behaviour of group 17 with respect to a) Oxidation state
b) Hydrogen bonding
c) Hydride
3) Distinguish between SN1 & SN2 Mechanism
4) Explain the optical activity of lactic acid.
*ALL THE BEST FOR YOUR EXAMINATION*
