Chemistry - Online Test
Q1. AlF3 is soluble
in HF only in the presence of KF. It is due to the formation of
Answer : Option B
Explaination / Solution:
AlF3 + 3KF → K3[AlF6]
Q2.
Match the following
A) V2O5 i) High density polyethylene
B) Ziegler – Natta ii) PAN
C) Peroxide iii) NH3
Answer : Option A
Explaination / Solution:
No Explaination.
Q3. XeF6 on complete
hydrolysis produces
Answer : Option C
Explaination / Solution:
No Explaination.
Q4.
Assertion : Phenol is more reactive than benzene
towards electrophilic substitution reaction
Answer : Option A
Explaination / Solution:
No Explaination.
Q5. MnO4-
react with Br- in alkaline PH to give
Answer : Option A
Explaination / Solution:
2MnO4-
+ Br- + H2O → 2OH- + 2MnO2 + BrO3-
Q6. Identify
the product formed in the reaction 
Answer : Option D
Explaination / Solution:
group
is reduced to CH2 - (Wolff-kishner reduction)
group
is reduced to CH2 - (Wolff-kishner reduction)
Q7. Which one of the following complexes is not expected to exhibit isomerism?
Answer : Option D
Explaination / Solution:
Option (a) and (b) –
geometrical isomerism is possible
Option (c) – ionization
isomerism is possible
Option (d) – no
possibility to show either constitutional isomerism or stereo isomerism
Q8. C5H13N
reacts with HNO2 to give an optically active compound – The compound
is
Answer : Option B
Explaination / Solution:
Q9. The radius of an atom is 300pm, if it crystallizes in a face centered cubic lattice, the length oif the edge of the unit cell is
Answer : Option B
Explaination / Solution:
let edge length = a
√2a = 4r
a = [4 × 300] / √2
a = 600 ×1.414
a = 848.4 pm
Q10. Among
the following L-serine is
Answer : Option C
Explaination / Solution:
No Explaination.
