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What people are asking?
Class-XI
Chemistry
The p-block Elements

A t Kumar

Jan 25, 2015

Explain the structure of diborane?

This answer has an image. Please click on the question to read more.

Answer (2)
Class-XI
Chemistry
The p-block Elements

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 also known as orthoboric acid.

Formula of boric acid is B(OH)<...

Answer (1)
Class-XI
Chemistry
The p-block Elements

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.

Answer (1)
Class-XI
Chemistry
The p-block Elements

Adithyan Sanal

May 4, 2015

What happens when Silicon is heated with methyl chloride at high temperature in the presence of copper powder

Heating of  Silicon with methyl chloride at high temperature in the Presence of copper produ...

Answer (1)
Class-XI
Chemistry
The p-block Elements

San

May 8, 2014

Why Graphite is a soft lubricant and good conductor of electricity, where as diamond is a hard and nonconductor?

This answer has an image. Please click on the question to read more.

Answer (1)
Class-XI
Chemistry
The p-block Elements

Prasad

May 23, 2014

Why diborane is stable even though it has deficiency in electrons?

This answer has an image. Please click on the question to read more.

Answer (1)
Class-XI
Chemistry
The p-block Elements

Navaneeth K

Nov 13, 2014

First member of s and p block elements differ from the rest of the members . give reasons !

Ans: Because of their smaller size and absence of d-orbitals the first members of s, p-block elements posses different properties.
Ex: Nitrogen can show maximum valency of 3 it cannot expands it valency ...

Answer (1)
Class-XI
Chemistry
The p-block Elements

Prasad

May 23, 2014

Why diamond is a bad conductor of electricity while graphite is good conductor?

Diamond is made up of carbon atoms, and we know that carbon atoms are tetravalent i.e their valency is 4. In molecule of diamond, all the four valence electrons complete their bond where...

Answer (1)
Class-XI
Chemistry
The p-block Elements

Balaraju

Sep 8, 2014

WHAT DO YOU INFER FROM THE REDUCTION POTENTIALS OF THE ELEMENTS OF THE GROUP13

From top to bottom reduction potentials values become positive i.e. top to bottom in the elements of the group 13 reducing character decreases.
The order of decreasing of reducing power is Al > Ga &#...

Answer (1)
Class-XI
Chemistry
The p-block Elements

Sanalkumar S

Feb 5, 2015

GIVE REASON FOR THE FOLLOWING 
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...

Answer (1)
Class-XI
Chemistry
The p-block Elements

A t Kumar

Jan 25, 2015

Explain the structure of diborane?

This answer has an image. Please click on the question to read more.

Answer (2)
Class-XI
Chemistry
The p-block Elements

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 also known as orthoboric acid.

Formula of boric acid is B(OH)<...

Answer (1)
Class-XI
Chemistry
The p-block Elements

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.

Answer (1)
Class-XI
Chemistry
The p-block Elements

Adithyan Sanal

May 4, 2015

What happens when Silicon is heated with methyl chloride at high temperature in the presence of copper powder

Heating of  Silicon with methyl chloride at high temperature in the Presence of copper produ...

Answer (1)
Class-XI
Chemistry
The p-block Elements

San

May 8, 2014

Why Graphite is a soft lubricant and good conductor of electricity, where as diamond is a hard and nonconductor?

This answer has an image. Please click on the question to read more.

Answer (1)
Class-XI
Chemistry
The p-block Elements

Prasad

May 23, 2014

Why diborane is stable even though it has deficiency in electrons?

This answer has an image. Please click on the question to read more.

Answer (1)
Class-XI
Chemistry
The p-block Elements

Navaneeth K

Nov 13, 2014

First member of s and p block elements differ from the rest of the members . give reasons !

Ans: Because of their smaller size and absence of d-orbitals the first members of s, p-block elements posses different properties.
Ex: Nitrogen can show maximum valency of 3 it cannot expands it valency ...

Answer (1)
Class-XI
Chemistry
The p-block Elements

Prasad

May 23, 2014

Why diamond is a bad conductor of electricity while graphite is good conductor?

Diamond is made up of carbon atoms, and we know that carbon atoms are tetravalent i.e their valency is 4. In molecule of diamond, all the four valence electrons complete their bond where...

Answer (1)
Class-XI
Chemistry
The p-block Elements

Balaraju

Sep 8, 2014

WHAT DO YOU INFER FROM THE REDUCTION POTENTIALS OF THE ELEMENTS OF THE GROUP13

From top to bottom reduction potentials values become positive i.e. top to bottom in the elements of the group 13 reducing character decreases.
The order of decreasing of reducing power is Al > Ga &#...

Answer (1)
Class-XI
Chemistry
The p-block Elements

Sanalkumar S

Feb 5, 2015

GIVE REASON FOR THE FOLLOWING 
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...

Answer (1)

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