Chemistry - Online Test

Q1. Adsorption of a gas on solid metal surface is spontaneous and exothermic, then
Answer : Option D
Explaination / Solution:

∆S is –ve

Q2. Which of the following is strongest acid among all?
Answer : Option A
Explaination / Solution:
No Explaination.


Q3. Which of the following compound can be used as artifreeze in automobile radiators?
Answer : Option D
Explaination / Solution:
No Explaination.


Q4. The number of moles of acidified KMnO4 required to oxidize 1 mole of ferrous oxalate(FeC2O4) is
Answer : Option C
Explaination / Solution:




Q5.

Assertion : p – N, N – dimethyl aminobenzaldehyde undergoes benzoin condensation

Reason : The aldehydic (-CHO) group is meta directing
Answer : Option B
Explaination / Solution:



Q6. Formula of tris(ethane-1,2-diamine)iron(II)phosphate
Answer : Option D
Explaination / Solution:

[Fe (en )3]2+ (PO43-)

Q7. Which of the following amines does not undergo acetylation?
Answer : Option D
Explaination / Solution:

triethyl amine ( 3 amine)

Q8. The yellow colour in NaCl crystal is due to
Answer : Option A
Explaination / Solution:
No Explaination.


Q9. Which of the following vitamins is water soluble?
Answer : Option D
Explaination / Solution:
No Explaination.


Q10. The rate constant of a reaction is 5.8 × 10−2 s−1 . The order of the reaction is
Answer : Option A
Explaination / Solution:

The unit of rate constant is s-1 and it indicates that the reaction is first order.