In the case of alkali metals, the covalent character decreases in the order:

1.  MF > MCl > MBr > MI

2.  MF > MCl > MI > MBr

3.  MI > MBr > MCl > MF

4.  MCl > MI > MBr > MF

View Answer  
4
Correct Answer :

MI > MBr > MCl > MF


Explanation :
No Explanation available for this question

Which of the following two are isostructural

1.  XeF2, IF2-

2.  NH3, BF3

3.  CO32-, SO32-

4.  PCl5, ICl5

View Answer  
4
Correct Answer :

XeF2, IF2-


Explanation :
No Explanation available for this question

The state of hybridization of C2, C3, C5 and C6 of the hydrocarbon, is in the following sequence

1.  sp3, sp2, sp2 and sp

2.  sp, sp2, sp2 and sp3

3.  sp, sp2, sp3 and sp2

4.  sp, sp3, sp2 and sp3

View Answer  
4
Correct Answer :

sp, sp3, sp2 and sp3


Explanation :
No Explanation available for this question

Oxidation numbers of P in PO43-, of S in SO42- and that of Cr in Cr2O72-, are respectively

1.  + 3, + 6 and + 5

2.  + 5, + 3 and + 6

3.  - 3, + 6 and + 6

4.  + 5, + 6 and + 6

View Answer  
4
Correct Answer :

+ 5, + 6 and + 6


Explanation :
No Explanation available for this question

Lithium metal crystallises in a body centred cubic crystal. If the length of the side of the unit cell of lithium is 351 pm, the atomic radius of the lithium will be

1.  151.8 pm

2.  75.5 pm

3.  300.5 pm

4.  240.8 pm

View Answer  
4
Correct Answer :

151.8 pm


Explanation :
No Explanation available for this question

Which one of the elements with the following outer orbital configurations may exhibit the largest number of oxidation states

1.  3d54s1

2.  3d54s2

3.  3d24s2

4.  3d34s2

View Answer  
4
Correct Answer :

3d54s2


Explanation :
No Explanation available for this question

Amongst the elements with following electronic configurations, which one of them may have the highest ionization energy

1.  Ne [3s23p2]

2.  Ar [3d104s24p3]

3.  Ne [3s23p1]

4.  Ne [3s23p3]

View Answer  
4
Correct Answer :

Ne [3s23p3]


Explanation :
No Explanation available for this question

In the reaction BrO-3 (aq) + 5 Br-(aq) + 6H+ → 3 Br2(l) + 3 H2O(l). The rate of appearance of bromine (Br2) is related to rate of disappearance of bromide ions as follwing

1.  

2.  

3.  

4.  

View Answer  
4
Correct Answer :


Explanation :
No Explanation available for this question

A 0.0020 m aqueous solution of an ionic compound Co(NH3)5 (NO2)Cl freezes at - 0.007320C. Number of moles of ions which 1 mol of ionic compound produces on being dissolved in water will be (kf = - 1.860C/m)

1.  3

2.  4

3.  1

4.  2

View Answer  
4
Correct Answer :

2


Explanation :
No Explanation available for this question

What is the dominant intermolecular force or bond that must be overcome in converting liquid CH3OH to a gas

1.  Dipole-dipole interaction

2.  Covalent bonds

3.  London dispersion force

4.  Hydrogen bonding

View Answer  
4
Correct Answer :

Hydrogen bonding


Explanation :
No Explanation available for this question
Previous Next

Interview Questions

MongoDB
Java Script
Node JS
PHP
JQuery
Python