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Recent questions tagged p - block elements
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The halogen which is liquid at room temperature is
asked
Apr 4, 2019
in
JEE
by
kratos
p - block elements
p-block element
jee
class-7
matter around us
jee mains
class-12
halogens family
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1
answer
HF is not preserved in glass bottles because (a) it reacts with the aluminium oxide of the glass
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Mar 31, 2019
in
Class 12
by
kratos
p - block elements
cbse
p-block elements
acids bases and salts
class-10
metals and non-metals
class-12
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1
answer
Solution A reacts with an acid B (which gives greenish-yellow gas on reacting with oxidizing
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Mar 29, 2019
in
Class 12
by
kratos
p - block elements
hydrogen chloride
cbse
p-block elements
class-10
icse
study of compounds
class-12
p - block element
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1
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The hybridisation of carbon atom in Diamond is
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Mar 27, 2019
in
Class 12
by
kratos
p - block elements
isc
class-11
icse
bseb model set
class-12
+2
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1
answer
How many of the following elements have +3 as their most stable oxidation state in their compounds.
asked
Mar 23, 2019
in
Class 12
by
kratos
p - block elements
d-and f- block elements
class-11
kcet
class-12
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1
answer
HF can form the salt KHF2 while HCL does not form KHCL2, EXPLAIN.
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Mar 22, 2019
in
Class 12
by
kratos
p - block elements
neet
chemical bonding
cbse
the p block elements
class-11
jee
aiims
molecular structure
class-12
jee mains
p-block element
p - block element
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1
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Which statement is correct about halogen ? (A) They are all diatomic and form univalent ions
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Mar 20, 2019
in
JEE
by
kratos
p - block elements
p-block element
jee
jee mains
class-12
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1
answer
Dry and fused KHF2 on electrolysis gives 1. H2 at anode and F2 at cathode
asked
Mar 16, 2019
in
Class 12
by
kratos
p - block elements
class-12
+3
votes
1
answer
Assertion (A): In BrF3 oxidation state of “F” is + 3. Reason (R): Electro negativity of F is more than that of Bromine.
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Mar 14, 2019
in
Class 12
by
kratos
p - block elements
neet
periodic properties
p-block elements
class-11
aiims
periodic table
class-10
icse
class-12
variations of properties
periodic classification of elements
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1
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Li2O is often considered to be covalent in nature because of the unusually high electro negativity of lithium.
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Mar 13, 2019
in
Class 12
by
kratos
nsec
p - block elements
class-12
properties of compounds
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votes
1
answer
Aluminium chloride exists as dimer, Al2Cl6 in solid state as well as in solution of non-polar solvents such as benzene.
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Mar 11, 2019
in
Chemistry
by
kratos
p - block elements
class-11
jee
lipids
hydrogen
jee mains
chemistry of metals
p - block element
+2
votes
1
answer
Colour of the bead in borax bead test is mainly due to the formation of
asked
Mar 10, 2019
in
Class 12
by
kratos
p - block elements
neet
class-11
aiims
class-12
jee advanced 2019
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vote
1
answer
Which of the following pairs is/are correctly matched?
asked
Mar 7, 2019
in
Class 12
by
kratos
p - block elements
cbse
class-11
plant growth and development
principles of inheritance and variation
class-12
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vote
1
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Oxidation state of chlorine in hypochlorous acid is
asked
Mar 7, 2019
in
Class 12
by
kratos
p - block elements
class-12
+2
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1
answer
The least stable hydride of 75th group elements in
asked
Mar 6, 2019
in
JEE
by
kratos
p - block elements
class-11
jee
jee mains
class-12
p - block element
+2
votes
1
answer
Which one of the following pairs is correctly matched ?
asked
Mar 3, 2019
in
Class 12
by
kratos
p - block elements
cbse
class-11
plant growth and development
principles of inheritance and variation
class-12
+3
votes
1
answer
Which of the following is a Lewis Acid? (a)PCl3 (b)AlCl3 (c)TiCl3 (d)NCl3
asked
Mar 3, 2019
in
Class 12
by
kratos
p - block elements
neet
class-11
jee
aiims
hydrogen
jee mains
class-12
p - block element
+3
votes
1
answer
An aqueous solution of borax is (A) netural (B) amphoteric (C) basic (D) acidic
asked
Feb 27, 2019
in
JEE
by
kratos
p - block elements
cbse
class-11
jee
jee mains
p - block element
+3
votes
1
answer
The increasing order of the pKa values of the following compounds is :
asked
Feb 22, 2019
in
JEE
by
kratos
class-12
p - block elements
jee mains 2019
+3
votes
1
answer
Chlorine is passed into dilute, cold KOH solution. What is the oxidation numbers of chlorine in the products formed?
asked
Feb 21, 2019
in
Class 12
by
kratos
p - block elements
class-12
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