Login
Login
Register
Questions
Unanswered
Tags
Categories
Ask a Question
Ask a Question
Recent questions tagged p-block element
+1
vote
1
answer
NO2 required for a reaction is produced by the decomposition of N2O5 in CCl4 as per the equation,
asked
Apr 7, 2019
in
JEE
by
kratos
jee main 2020
p-block element
jee
jee mains
class-12
chemical kinetics
p - block element
+2
votes
1
answer
Assertion : Diamond and graphite do not have the same crystal structure.
asked
Apr 6, 2019
in
Class 12
by
kratos
class-11
p-block element
aiims
neet
+1
vote
1
answer
Provide reasons: Aluminum wire is used to make transmission cables.
asked
Apr 6, 2019
in
Class 11
by
kratos
class-11
p-block element
cbse
+3
votes
1
answer
Which of the following shows electrical conduction?
asked
Apr 6, 2019
in
Class 12
by
kratos
neet
class-8
aiims
class-12
alternating current
metals and non-metals
materials
p-block element
+2
votes
1
answer
BCl3 is a planar molecule whereas NCl3 is pyramidal because
asked
Apr 6, 2019
in
Class 12
by
kratos
neet
chemical bonding
aiims
jee
molecular structure
jee mains
molecular shape
p-block element
+2
votes
1
answer
The wrong statement about fullerene is
asked
Apr 6, 2019
in
Class 12
by
kratos
class-11
p-block element
neet
+3
votes
1
answer
A pure semiconductor has equal electron and **** concentration of 10^16 m^–3. Doping by indium
asked
Apr 5, 2019
in
Class 12
by
kratos
semiconductor electronics
neet
electronic device
p-block element
class-11
class-12
+1
vote
1
answer
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
+3
votes
1
answer
In a Neon discharge tube 2.9 x 10^18 Ne^+ ions move to the right each second, while 1.2 x 10^18 electrons move to the left per second,
asked
Apr 2, 2019
in
Class 12
by
kratos
neet
jee
aiims
dual nature of radiation and matter
jee mains
p-block element
+1
vote
1
answer
XeF6 on hydrolysis gives (A) XeO3 (B) XeO
asked
Apr 2, 2019
in
JEE
by
kratos
noble gases family
jee
class-12
jee mains
p-block element
p - block element
+3
votes
1
answer
CO2 is gas while SiO4 is solid at room temperature. State a reason for this.
asked
Apr 2, 2019
in
Class 12
by
kratos
neet
aiims
jee
jee mains
p-block element
+2
votes
1
answer
Which one of the following is the strongest lewis acid ? (f) BF3 (b) BCl3 (c) BBr3 (d) BI3
asked
Apr 2, 2019
in
Class 12
by
kratos
neet
class-11
aiims
jee
kvpy
jee mains
p-block element
p - block element
+2
votes
1
answer
Which of the following can convert acidified Cr2O7 ^2– to green ? (A) SO2 / H2SO3 / H2SO4
asked
Apr 1, 2019
in
JEE
by
kratos
sulphuric acid
class-8
jee
class-10
icse
jee mains
study of compounds
p-block element
p - block element
+1
vote
1
answer
Write any two N-type and P-type semiconductors.
asked
Apr 1, 2019
in
Class 12
by
kratos
class-11
semiconductor electronics
class-12
p-block element
+1
vote
1
answer
Why are halogens strong oxidising agents?
asked
Apr 1, 2019
in
Class 12
by
kratos
classification of elements and periodicity in properties
cbse
p-block element
class-11
class-12
p - block element
+2
votes
1
answer
A colourless gas with the smell of rotten fish is
asked
Apr 1, 2019
in
JEE
by
kratos
solutions
p-block elements
class-11
jee
class-12
chemestry practical
jee mains
p-block element
+1
vote
1
answer
Rationalize the given statements and give chemical reactions: (a) Lead (II) chloride reacts with Cl2 to give PbCl4.
asked
Apr 1, 2019
in
JEE
by
kratos
class-11
p-block element
jee
jee mains
class-12
+3
votes
1
answer
In B2H6 :- (a)There is a direct boron-boron bond (b)The boron atoms are linked through hydrogen atoms
asked
Mar 31, 2019
in
Class 12
by
kratos
neet
extractive metallurgy
ores
jee
aiims
minerals
jee mains
p-block element
p - block element
+1
vote
1
answer
What is the maximum number of oxygen atoms that a molecule of hemoglobin can bind ?
asked
Mar 31, 2019
in
Class 12
by
kratos
neet
cbse
coordination compounds
class-11
aiims
kvpy
class-12
respiration
p-block element
+1
vote
1
answer
Give a comparative account of the chemistry of carbon and silicon with regard to their
asked
Mar 31, 2019
in
Class 11
by
kratos
class-11
p-block element
To see more, click for the
full list of questions
or
popular tags
.