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A t Kumar
Jan 25, 2015
Explain the structure of diborane?
Sanalkumar S
Feb 1, 2015
Give reason
1) Boric acid is a monobasic acid
2)PbCl4 is a good oxidising agent.
1) Boric acid is a monobasic acid
2)PbCl4 is a good oxidising agent.
1) Boric acid is also known as orthoboric acid. Formula of boric acid is B(OH)<...
Yogeshree Pradhan
Jan 27, 2015
Aluminium trifluoride is insoluble in anhydrous HF but dissolves on addition of NaF .alluminium triflouride precipitates out of the resulting solution when gaseous BF3 is bubbled through. Give reasons.
Adithyan Sanal
May 4, 2015
What happens when Silicon is heated with methyl chloride at high temperature in the presence of copper powder
San
May 8, 2014
Why Graphite is a soft lubricant and good conductor of electricity, where as diamond is a hard and nonconductor?
Prasad
May 23, 2014
Why diborane is stable even though it has deficiency in electrons?
Navaneeth K
Nov 13, 2014
First member of s and p block elements differ from the rest of the members . give reasons !
Ex: Nitrogen can show maximum valency of 3 it cannot expands it valency ...
Prasad
May 23, 2014
Why diamond is a bad conductor of electricity while graphite is good conductor?
Sanalkumar S
Feb 5, 2015
GIVE REASON FOR THE FOLLOWING
A) BORON HAVE HIGH MELTING POINT.
B) AQUEOUS SOLUTION OF BORAX IS BASIC.
A) BORON HAVE HIGH MELTING POINT.
B) AQUEOUS SOLUTION OF BORAX IS BASIC.
Ans: The melting point of boron is very high. Reason: Boron exists as a gia...
Sanalkumar S
Feb 5, 2015
WHAT HAPPENS WHEN ALUMINIUM
A.ADDED TO A SOLUTION OF NaOH.
B.REACTS WITH HCl & REACTS WITH O2
A.ADDED TO A SOLUTION OF NaOH.
B.REACTS WITH HCl & REACTS WITH O2
A) Aluminium dissolves in NaOH forms soluble complex and liberates hydrogen gas.
A t Kumar
Jan 25, 2015
Explain the structure of diborane?
Sanalkumar S
Feb 1, 2015
Give reason
1) Boric acid is a monobasic acid
2)PbCl4 is a good oxidising agent.
1) Boric acid is a monobasic acid
2)PbCl4 is a good oxidising agent.
1) Boric acid is also known as orthoboric acid. Formula of boric acid is B(OH)<...
Yogeshree Pradhan
Jan 27, 2015
Aluminium trifluoride is insoluble in anhydrous HF but dissolves on addition of NaF .alluminium triflouride precipitates out of the resulting solution when gaseous BF3 is bubbled through. Give reasons.
Adithyan Sanal
May 4, 2015
What happens when Silicon is heated with methyl chloride at high temperature in the presence of copper powder
San
May 8, 2014
Why Graphite is a soft lubricant and good conductor of electricity, where as diamond is a hard and nonconductor?
Prasad
May 23, 2014
Why diborane is stable even though it has deficiency in electrons?
Navaneeth K
Nov 13, 2014
First member of s and p block elements differ from the rest of the members . give reasons !
Ex: Nitrogen can show maximum valency of 3 it cannot expands it valency ...
Prasad
May 23, 2014
Why diamond is a bad conductor of electricity while graphite is good conductor?
Sanalkumar S
Feb 5, 2015
GIVE REASON FOR THE FOLLOWING
A) BORON HAVE HIGH MELTING POINT.
B) AQUEOUS SOLUTION OF BORAX IS BASIC.
A) BORON HAVE HIGH MELTING POINT.
B) AQUEOUS SOLUTION OF BORAX IS BASIC.
Ans: The melting point of boron is very high. Reason: Boron exists as a gia...
Sanalkumar S
Feb 5, 2015
WHAT HAPPENS WHEN ALUMINIUM
A.ADDED TO A SOLUTION OF NaOH.
B.REACTS WITH HCl & REACTS WITH O2
A.ADDED TO A SOLUTION OF NaOH.
B.REACTS WITH HCl & REACTS WITH O2
A) Aluminium dissolves in NaOH forms soluble complex and liberates hydrogen gas.