Deep CLASSES
1.
The formula for pentane is
______________.
2.
The consecutive members of
homologous series differs by _____________________of 14 units.
3.
Organic compounds containing
covalent bonds are _______conductors of heat and electricity.
4.
The name of the compound C3H8
is _____________.
5.
The general formula of alkanes
is _____________
6.
The remarkable property of
carbon atom to form bonds with itself and give rise to a single large
__________ or chain is called as catenation.
7.
The carbon chains can be
straight or ____________ forming large molecules.
8.
The property of ________
bonding between atoms of same element to form a chain is called as catenation.
9.
Consecutive members of
homologous series differ from one another by _________group.
10.
The molecular formula of cyclohexane
is ____________.
11.
Benzene ring is made up of six
carbon atoms with ____________single bond and double bonds.
12.
The ______________of existence
of a substance in various physical forms but same chemical form is known as
allotropy.
13.
The methylene group is
represented by ________ group.
14.
Ethanoic acid solidifies to
glacial acetic acid below _____K.
15.
The name of compound PCl3
is ______________________________.
16.
Expensive perfumes are added in
__________soap.
17.
The IUPAC name of Br-CH2-CH2-Br
is _______________________.
18.
The ethyl alcohol and ethanoic
acid react to form ethyl acetate and water in presence of ___________.
19.
The name of compound CCl3COOH
is _________________________________.
20.
The freezing point of ethyl
alcohol is ______C.
21.
Ethene when reacted with ____________
and gets converted to ethane in presence of Nickel.
22.
The common name of compound C2H4O2
is _____________________.
23.
The general formula of all
compounds in the series is ________.
24.
The other name of dimethyl
ketone is ______________.
25.
The chemical properties of
member show close ________________ as they possess same functional group in
them.
26.
The compound C2H5OH
is named as ___________________.
27.
The linear structure of
ethanoic acid is ________________.
28.
_______________________ present
for cleaning action.
29.
The IUPAC name of CH3CH2CH=CH2
is ________________.
30.
The formula for ethyl acetate
is ________________.
31.
The –OH group is known as
________________group.
32.
The R-CHO is general formula of
_________________.
33.
The alkyl group has general
formula ____________.
34.
The alphabet ____ represents
alkyl group.
35.
The acetic acid has the
functional group _______.
36.
The bonds formed by sharing of
electrons are known as _______________________.
37.
Covalent compounds have ______
melting and boiling points.
38.
Hydrocarbons containing only
single C-C bonds are called as ____________.
39.
Diamond is used as ___________
stone in jewellery.
40.
________________________are
used for cutting glass.
41.
_______________is used in
making electrodes.
42.
The IUPAC name of CH3-CH=CH-CH3
is ____________________.
43.
The formula for
monochloroacetic acid is _________________.
44.
A soap molecule has
_____________shaped structure.
45.
2C4H10(g) + 13O2(g) ________________ 8CO2(g) + 10H2O(l) +
2658kJ heat
46.
The boiling point of ethanoic
acid is _________K.
47.
The formula of sodium ethoxide
is _____________.
48.
The name of compound CH3COONa
is ___________________________.
49.
The molecules of soap are sodium
or potassium salts of long chain ________________________.
50.
__________ + Cl2 ___________ CH3Cl + HCl
(________) (chlorine gas) (methyl
alcohol) (hydrochloric acid)
51.
The ethyl alcohol is commonly
called as __________.
52.
In 19th century,
compounds directly or indirectly obtained from plants and animals were regarded
as __________
compounds.
53.
Methane is called as
_________________.
54.
Compounds containing covalent
bonds are generally ______________in water.
55.
Scientist Wohler synthesized
the compound ________ from an inorganic compound Ammonium cyanate.
56.
If two electron pairs are
shared between two atoms, then a ___________________________bond.
57.
Compounds obtained from
__________ were termed as inorganic compounds.
58.
__________________________ is
also known as chemistry of carbon compounds.
59.
All fundamental organic
compounds containing hydrogen along with carbon are called as
_______________compounds.
60.
The electronic configuration of
hydrogen is ____.
61.
Carbon has four electrons in
its outermost orbit and hence it is _________________.
62.
The various structures of
oxygen molecule are O: :O , O↔O and __________.
63.
The electronic configuration of
nitrogen is (2,5) hence it will form ____molecule.
64.
Hydrocarbons in which the
carbon atoms are linked to each other only by single bonds are known as
__________
hydrocarbons.
65.
Hydrocarbons in which carbon
atoms are linked to each other by ________or ___________bonds are known as
unsaturated hydrocarbons.
66.
The straight chains or closed
chain structures of hydrocarbons may be having branches and cross links are
known as closed chain or ________compounds.
67.
The general formula of alkynes
is ________________.
68.
The graphite has
_____________________colour with beautiful crystalline appearance.
69.
In diamond, each carbon atom is
linked to four other neighbouring carbon atoms held at the corners of regular
_____________________ by covalent bonds to form a rigid 3-dimensional
structure.
70.
The compound C7H16
has name ___________.
71.
Compounds with identical
___________________________ but different structure are called as isomers and
the property is known as isomerism.
72.
All organic compounds are
considered as derivatives of ____________________.
73.
The _______________ are formed
by replacing one or more hydrogen atoms in a molecule by other atom or group of
atoms.
74.
After replacing some atom or
group of atoms from hydrocarbons, a new set of compounds is formed which has
functions ____________from parent hydrocarbon.
75.
The atom or group of atoms
present in the molecule which determines ______________________property of
organic compounds is called as functional group.
76.
Physical properties like
melting point, boiling point, density, generally show gradual change with
increase of _______________________ in homologous series.
77.
The full form of IUPAC is _______________________________________________________________________.
78.
To express the name of the
basic carbon is modified by _________.
79.
A root indicates the “nature of
basic carbon ___________”.
80.
___________denotes the type of bonds or
functional group present in the carbon chain.
81.
CH3-CH-CH3
is the compound with IUPAC name _________________.
I
Br
82.
Saturated hydrocarbons give a
________ oxidizing flame when they burn.
83.
___________indicates the
presence of other functional groups and their position.
84.
CH4(g) +
2O2(g) → _________ +
_______ + __________
85.
CH4 + O2 → C + _________
(limited air) (carbon
black)
86.
Unsaturated carbon compounds
give a reducing flame of _________ colour with lots of carbon.
87.
Fuels such as coals for engine
and petroleum for vehicle, on combustion, results in formation of oxides of
____________and ______________.
88.
The reaction in which 2
molecules react to form a single ___________ is known as addition reaction.
89.
2CH3COOH + _______ → ______________ + H2
90.
__________quality of fats and
oils used for raw material in toilet soap.
91.
CH3CH2I +
_______ → __________ +
KI (substitution reaction)
92.
R - C – R’ is the general
formula of ____________.
||
O
93. In diamond, there are no __________electrons in the
system.
94. Graphite is a good conductor of _____________.
95. In case of graphite, each carbon atom is attached to
three other carbon forming a ________________ planar structure.
96. At one end of
soap molecule , there is ___________________________ which is hydrophilic.
97. Ethanoic acid is colourless liquid, with
____________ smell at ordinary temperature.
98. When ethyl alcohol reacts with PCl3 we
get ethyl chloride with another compound having formula _________.
99. The long non polar end of soap molecule is
made of ____________________chain.
100. The long non polar end of soap molecule is
_______________ in oil.
1.
C5H12
2.
molecular weight
3.
poor
4.
propane
5.
CnH2n+2
6.
Structure
7.
Branched
8.
Direct
9.
–CH2-
10.
C6H12
11.
Alternate
12.
Phenomenon
13.
–CH2-
14.
290
15.
phosphorus trichloride
16.
Toilet
17.
1,2-dibromo ethane
18.
ZnCl2
19.
trichloroacetic acid
20.
-114ᵒC
21.
Hydrogen
22.
acetic acid
23.
same
24.
acetone
25.
resemblance
26.
ethan-1-ol/ethyl alcohol /
ethanol
27.
CH3CH2OH
28.
Free alkali
29.
but-1-ene
30.
CH3COOC2H5
31.
alcoholic
32.
aldehydes
33.
CnH2n+1
34.
R
35.
–COOH
36.
Covalent bonds
37.
Low
38.
Alkanes
39.
Precious
40.
Black diamond
41.
Graphite
42.
but-2-ene
43.
CH2ClCOOH
44.
Tadpole
45.
Exothermic, →, combustion
46.
351
47.
C2H5ONa
48.
Sodium acetate
49.
Carboxylic acids
50.
CH4, U.V. rays,
methane
51.
Spirit
52.
Organic
53.
Marsh gas
54.
Insoluble
55.
Urea
56.
Double covalent
57.
Minerals
58.
Organic chemistry
59.
Parent
60.
1
61.
tetravalent
62.
O=O
63.
N2
64.
Saturated
65.
Double,triple
66.
Ring
67.
CnH2n-2
68.
Grayish black
69.
Tetrahedron
70.
Heptane
71.
Molecular formula
72.
Hydrocarbons
73.
Derivatives
74.
Different
75.
Characteristic
76.
Molecular formula
77.
International Union of Pure and
Applied Chemists
78.
Root
79.
Skeleton
80.
Suffix
81.
2-bromopropane
82.
Clean
83.
Prefix
84.
CO2(g) , 2H2O(g)
, heat and light
85.
2H2O
86.
Yellow
87.
Sulphur , nitrogen
88.
Product
89.
2Na, 2CH3COONa
90.
High
91.
KOH, CH3CH2OH
92.
Ketones
93.
Mobile
94.
Electricity
95.
Hexagonal
96.
Carboxylate ion
97.
Pungent
98.
H3PO3
99.
Hydrocarbon
100.
Soluble
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