The order of boiling points of hydrides of VIA group elements is

1.  H2O < H2S < H2Se < H2Te

2.  H2O > H2Te > H2Se > H2S

3.  H2O < H2Te < H2Se < H2S

4.  H2O < H2S > H2Se > H2Te

View Answer  
4
Correct Answer :

H2O > H2Te > H2Se > H2S


Explanation :
No Explanation available for this question

In an alkaline solution the following equilibrium exists S2-+S⇔S22- ,K1=12

1.  23

2.  132

3.  1/132

4.  1/32

View Answer  
4
Correct Answer :

1/132


Explanation :
No Explanation available for this question

The order of bound dissociation energies of halogens is

1.  F2 > CI2 > Br2 > I2

2.  F2 < CI2 < Br2 > I2

3.  F2 > Br2 > F2 > I2

4.  CI2 > Br2 > I2 > F2

View Answer  
4
Correct Answer :

F2 > Br2 > F2 > I2


Explanation :
No Explanation available for this question

A:H2PO4- can act as a Bronsted base as well as Bronsted acid R:Ion by polybasic acid which which contains at leas

1.  Both A and R are true and R is the correct explanation of A

2.  Both A and R are true and R is not the correct explanation of A

3.  A is true but R is false

4.  A is false but R is true

View Answer  
4
Correct Answer :

Both A and R are true and R is the correct explanation of A


Explanation :
No Explanation available for this question

The number of σ bonds and π bonds in XeO3 molecule

1.  3 σ and 3 π bonds

2.  3 σ bonds and 1 π bond

3.  2 σ and 4 π bonds

4.  1 σ bonds and 3 π bonds

View Answer  
4
Correct Answer :

3 σ and 3 π bonds


Explanation :
No Explanation available for this question

PCl5 dissociates as follows in a closed reaction vessel PCl3(g)⇔ PCl3(g)+Cl2(g) if total pressure at equilibrium of the reaction mixture is P and degree of dissociation of PCl

1.  (x/x+1)p

2.  (2x/1-x)p

3.  (x/x-1)p

4.  (x/1-x)p

View Answer  
4
Correct Answer :

(x/x+1)p


Explanation :
No Explanation available for this question

A(g)+2B(g)⇔2C(g)+D(g) was studied using an initial concentration of B which was 1.5 times that of A.But the equilibrium concentrations of A and B were found to be equal.Then Kc for the equilibrium

1.  4

2.  8

3.  6

4.  12

View Answer  
4
Correct Answer :

4


Explanation :
No Explanation available for this question

The active mass of 5.6 litres of O2 at STP is

1.  5.6/22.4

2.  8/5.6

3.  32/5.6

4.  0.25/5.6

View Answer  
4
Correct Answer :

0.25/5.6


Explanation :
No Explanation available for this question

The colour of CrO4-2 is due to

1.  d - d – electron transition

2.  charge transfer phenomenon

3.  d - orbital splitting

4.  all the above

View Answer  
4
Correct Answer :

charge transfer phenomenon


Explanation :
No Explanation available for this question

The hemoglobin from the red blood corpuscles of most mammals contains approximately 0.33% of iron by weight. The molecular weight of hemoglobin as 67200.the number of iron atoms in each molecule of hemoglobin is (atomic weight of

1.  2

2.  3

3.  4

4.  5

View Answer  
4
Correct Answer :

5


Explanation :
No Explanation available for this question
Previous Next

Interview Questions

MongoDB
Java Script
Node JS
PHP
JQuery
Python