File No.14/04/16/08/2014 VI CLASS - IIT/N.T.S.E FOUNDATION - OLYMPIAD
ANDHRA PRADESH - TELANGANA
2014-2015 PROGRAM M E
rd
1.
2.
3.
4.
CO - Carbon monoxide (compound) , Water - H
2 is an element.
O (compound) , CH
4
- Methane(compound),Diamond (C)
Generally zero group elements i.e, He, Ne, Ar, Kr, Xe, Rn exists as molecule as well as atom.
The short hand representation of an atom of an element is Symbol.
5.
6.
7.
8.
The element which is represented with the first two letters of its english name is Helium.
The compound that possess hetero atomic molecule is Sulphuric acid (H
2
SO
4
)
Diamond - C, Sulphur - S, Water - H
2
O(compound) , Ozone - (O
3
).
O, H, Cu acts as atoms. He acts as both atom and molecule.
Generally zero group elements i.e, He, Ne, Ar, Kr, Xe, Rn exists as molecule as well as atom.
9.
The symbol of mercury is Hg.
10.
The symbol of lead is Pb.
11.
2014 - 2015
12.
The IUPAC name of element with atomic No.112 is Ununbium.
13.
The symbol of Polonium is Po.
14.
The element having symbol from its Latin name is Mercury.
15.
Nobelium - No, Neon - Ne, Gold - Aurum - Au, Germanium - Ge.
16.
Atom possess individual existence.
17.
The element named after countries is Germanium.
18.
Curium, Nobelium, Rutherfordium are named after scientist.
19.
The symbol of polonium is Po.
20.
The gaseous substance element at room temperature is Xenon.
1.
The element/s named after the scientist names is /are Mendalevium, Fermiun, nobelium.
CHALLENGER
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File No.14/04/16/08/2014 VI CLASS - IIT/N.T.S.E FOUNDATION - OLYMPIAD
2.
3.
4.
5.
6.
7.
The sientist J.J Berzelius suggested a method of representing elements using the English letters (Capital as well as small)
Symbol ‘Sb’ stands for the element Antimony.
Fluorine - F, Phosphorus - P, Sulphur -S elements have the symbol with single letter.
The symbol of oxygen is O.
The symbol of Flourine is F.
Latin name of iron - Ferrum - Fe.
8.
9.
The element Bh was named after scientist.
Atomic numbers of elements > 100 posses IUPAC name.
10.
The Latin name of potassium is Kalium.
11.
The latin name of mercury is hydrogerum.
12.
Silver, Latin name - Argentium - Ag
13.
The english name of Na has same first letter in english name of N
14.
The IUPAC name of element with atomic number 104 is Unnil quadrium.
15.
The symbol of tungsten is W.
16.
The symbol of gold is Au.
17.
The symbol of Einsteinium is En.
18.
The name of element with symbol ‘U’ is derived from planets.
Polonium is derived from the name of a country.
19.
Symbol of zinc is Zn.
20.
Hydrogerum latin name of Mercury is a liquid metal.
2014 - 2015
1.
2.
3.
4.
5.
The elements that possess symbols from their latin names are silver, Sodium.
The elements named after cities or countries Bk
The elements named after planets are U , Np
The elements with first two letters of their english names are Helium.
The symbol of elements which are derived from name of countries/cities Eu, Am, Bk
6.
a) Tin b) Tungsten c) Gold d) Silver
CHALLENGER
- Sn
- W
- Au
- Ag
2 CHEMISTRY - CHAPTER SOLUTIONS - 3

File No.14/04/16/08/2014
7.
8.
9.
VI CLASS - IIT/N.T.S.E FOUNDATION - OLYMPIAD a) Mercury b) Silver c) Tin d) Lead a) Rubidium b) Pallodium
- Hg
- Ag
- Sn
- Pb
- Rb
- Pd c) Molybdenum d) Radium
- Mo
- Ra a) Elements with symbols derived form latin names b) Elements named after scientists c) Elements named after countries d) Elements named after plnets
- Kalium
- Rutherfordium
- Polonium
- Uranium
10.
Assertion is definition of symbol and Reason explains assertion.
11.
Both Assertion and Reason are correct, and Reason is correct reason of Assertion.
12.
Potassium latin name is Kalium so,its symbol is K not P.Reason explained assertion.
13.
The symbol for the element Zirconium is Zr.
14.
The symbols for the elements selenium and silicon are respectively Se and Si.
15.
The Latin names for the elements Antimony, potassium and sodium are Stibium, Kolium and Natrium.
2014 - 2015
16.
Neon is noble gas.
17.
Noble gases are found in air in the form of gas in very small amounts.
18.
Metals are good conductors of heat and electricity.
19.
The number of alphabets present in symbol of helium 2.
20.
The numerical value indicated by oct is 8.
1.
2.
3.
4.
Atomic number of the element is 47.
Symbol - 1 - Mn, symbol - 2 - Ca, symbol - 3- Pb, symbol - 4 - Cr, symbol - 5-Al
(i) Roentgenium - Rg, (ii) Bohrium - Bh, (iii) darmstodium - Ds.
A) Terbium - Tb, B) Antimony - Sb, C) Barium - Ba, D) Holmium - Ho
CHALLENGER
3 CHEMISTRY - CHAPTER SOLUTIONS - 3

File No.14/04/16/08/2014 VI CLASS - IIT/N.T.S.E FOUNDATION - OLYMPIAD
5.
a) Acetate ion  b) Hydride ion - OH c) Bromide - Br d) iodideion - I -
7.
8.
6.
9.
a) permanganate - MnO
4
 b) Chloride - ClO
2
 c) phophite - PO
3
3  i) Calcium carbonate -
SnCl
2
valency of SnCl
2 x + 2(-1) = 0
SnCl
4
valency of Sn x+ 4( -1) = 0  x = 4.
i) Calcium sulphate - CaSO
4 ii) Magnesium Oxide - MgO iii) Potassium Nitrite - KNO
2
10.
Given compound
4 4 3
11.
Ammonium Ferricynide formula is  NH
4
  Fe(CN)
6

12.
In a compound ion,the sum of the oxidation states of all atoms is equal to its Charge.
13.
In
14.
A : Oxidation number of a metal in metal carbonyl is zero.
B :
C : H S , valency of S is 2 + x = 0  x = -2.
15.
a) Cation formed by loss of electrons.
b) Anion formed by gaining electrons.
c) Metal electro positve.
d) Non - metal - electro negative
2014 - 2015 e) Metalloid both properties of metal and non - metal.
16.
Sulphide ion is an example for compound ion and Oxide ion is an example for simple ion.mettalloids are
17.
Formula of aluminium phosphate is
18.
1) Aluminium chloride
2) Iron (II) chloride
3) Iron (III) chloride
4) Hydrogen sulphide
5) Sulphuric acid
19.
Formula of calcium hydride is
20.
Formula of cuprous chloride is
-
-
-
-
-
AlCl
3
FeCl
2
FeCl
3
4
2
CHALLENGER
4 CHEMISTRY - CHAPTER SOLUTIONS - 3