Chemistry - Online Test

Q1. The geometry at which carbon atom in diamond are bonded to each other is
Answer : Option A
Explaination / Solution:
No Explaination.


Q2. Collodion is a 4% solution of which one of the following compounds in alcohol – ether mixture?
Answer : Option D
Explaination / Solution:

pyroxylin(nitro cellulose)

Q3. Which one of the following compounds is not formed?
Answer : Option D
Explaination / Solution:
No Explaination.


Q4.

The reaction


Can be classified as
Answer : Option C
Explaination / Solution:

Cyclic alcohol → sodium cyclic alkoxide → williamson ether synthesis

Q5. Permanganate ion changes to ________ in acidic medium
Answer : Option B
Explaination / Solution:

MnO4- + 8H+ + 5e-Mn2+ + 4H2O

Q6.
Answer : Option B
Explaination / Solution:



Q7. Which one of the following pairs represents linkage isomers?
Answer : Option C
Explaination / Solution:

(a) coordination isomers

(b) no isomerism ( different molecular formula)

(c) ← NCS , ← SCN coordinating atom differs : linkage isomers


Q8.
Answer : Option A
Explaination / Solution:

C6H5NO2 ---Fe/HClC6H5NH2 ---NaNO2/HclC6H5 -N2Cl --H2OC6H5 -OH+N2›+HCl

Q9. A solid compound XY has NaCl structure. if the radius of the cation is 100pm , the radius of the anion will be
Answer : Option A
Explaination / Solution:

for an fcc structure rx+ / ry− = 0.414

given that rX+ = 100 pm

r y− = 100 pm  / 0.414


Q10. Vitamin B2 is also known as
Answer : Option A
Explaination / Solution:
No Explaination.