JEE-ADVANCED SERIES Chemistry
Group 1 Elements
16 previous year questions.
Volume: 16 Ques
Yield: Medium
High-Yield Trend
1
2007 1
2006 1
2004 2
1998 2
1996 1
1991 1
1990 1
1987 3
1985 1
1983 1
1981 1
1979 Chapter Questions 16 MCQs
01
PYQ 1979
medium
chemistry ID: jee-adva
The temporary hardness of water is due to calcium bicarbonate can be removed by adding
1
2
3
4
02
PYQ 1981
medium
chemistry ID: jee-adva
A solution of sodium metal in liquid ammonia is strongly reducing due to the presence of
1
sodium atom
2
sodium hydride
3
sodium amide
4
solvated electrons
03
PYQ 1983
medium
chemistry ID: jee-adva
Heavy water is
1
2
water obtained by repeated distillation
3
4
water at
04
PYQ 1985
medium
chemistry ID: jee-adva
Molecular formula of Glauber's salt is
1
2
3
4
05
PYQ 1985
medium
chemistry ID: jee-adva
Nitrogen dioxide cannot be obtained by heating
1
2
3
4
06
PYQ 1985
medium
chemistry ID: jee-adva
The oxide that gives on treatment with a dilute acid is
1
2
3
4
07
PYQ 1987
medium
chemistry ID: jee-adva
A solution of sodium sulphate in water is electrolysed using inert electrodes. The products at cathode and anode are respectively
1
2
3
4
08
PYQ 1990
medium
chemistry ID: jee-adva
When zeolite, which is hydrated sodium aluminium silicate, is treated with hard water, the sodium ions are exchanged with
1
ions
2
ions
3
ions
4
ions
09
PYQ 1991
medium
chemistry ID: jee-adva
The oxidation state of the most electronegative element in the products of the reaction. with dil, are
1
0 and - 1
2
- 1 and - 2
3
- 2 and 0
4
- 2 and - 1
10
PYQ 1996
medium
chemistry ID: jee-adva
Hydrolysis of one mole of peroxodisulphuric acid produces
1
two moles of sulphuric acid
2
two moles of peroxomono sulphuric acid
3
one mole of sulphuric acid and one mole of peroxomono sulphuric acid
4
one mole of sulphuric acid, one mole of peroxomono sulphuric acid and one mole of hydrogen peroxide
11
PYQ 1996
medium
chemistry ID: jee-adva
A dilute aqueous solution of is electrolysed using platinum electrodes. The products at the anode and cathode are respectively
1
2
3
4
12
PYQ 1998
medium
chemistry ID: jee-adva
Sodium nitrate decomposes above to give
1
2
3
4
13
PYQ 1998
medium
chemistry ID: jee-adva
Highly pure dilute solution of sodium in liquid ammonia
1
shows blue colour
2
exhibits electrical conductivity
3
produces sodium amide
4
produces hydrogen gas
14
PYQ 2004
medium
chemistry ID: jee-adva
A sodium salt of an unknown anion when treated with gives white precipitate only on boiling. The anion is
1
2
3
4
15
PYQ 2006
medium
chemistry ID: jee-adva
on reaction with and forms a white crystalline precipitate. What is its formula?
1
2
3
4
16
PYQ 2007
medium
chemistry ID: jee-adva
The compound(s) formed upon combustion of sodium metal in excess air is (are)
1
2
3
4