Std XI. Chap. 3 – Classification of Elements & Periodicity in Properties
Quiz by Snehal Shinde
Feel free to use or edit a copy
includes Teacher and Student dashboards
Measure skillsfrom any curriculum
Tag the questions with any skills you have. Your dashboard will track each student's mastery of each skill.
- edit the questions
- save a copy for later
- start a class game
- automatically assign follow-up activities based on students’ scores
- assign as homework
- share a link with colleagues
- print as a bubble sheet
- Q1
Born cycle is used to determine:
Lattice energy
Either of them
Electron affinity
Ionization energy
30s - Q2
The electronic configurations of four elements L,P, Q and R are given below. The formula of the ionic compounds that can be formed between these elements are:
30s - Q3
The element with strong electropositive nature is:
Cu
Cr
Cs
Ba
30s - Q4
Octet rule is not valid for the molecule:
O2
H2O
CO2
CO
30s - Q5
The correct order of reactivity of halogens is
F > Br > Cl > I
I > Br > Cl > F
Cl > I > Br > F
F > Cl > Br > I
30s - Q6
NH3 has higher boiling point than expected, because :
It has strong intermolecular hydrogen bonds
With water it forms NH4OH
It has strong intermolecular covalent bonds
Its density decreases in freezing
30s - Q7
The screening effect of -electrons is:
30s - Q8
Which has the largest first energy?
K
Li
Na
Rb
30s - Q9
In which of the following molecules are all thebonds not equal?
ClF3
AlF3
NF3
BF3
30s - Q10
The bond between two identical non-metal atoms has a pair of electrons:
Transferred fully from one atom to another
Equally shared between the two
None of these
Unequally shared between the two
30s - Q11
The number of unpaired electrons in a paramagnetic diatomic molecule of an element with atomic number 16 is:
4
1
2
3
30s - Q12
Solve:
3,1
1,3
2,2
4,8
30s - Q13
Which element of second period forms most acidic oxide?
Boron
Fluorine
Carbon
Nitrogen
30s - Q14
The electronic configuration of four elements are given below. Which element does not belong to the same family?
30s - Q15
For the four successive transition elements (Cr, Mn, Fe and Co), the stability of +2 oxidation state will be there in which of the following order? (At. no.Cr=24, Mn=25, Fe=26, Co=27)
30s
