Chemistry - Online Test
Q1. Which is true regarding nitrogen?
Answer : Option D
Explaination / Solution:
No Explaination.
Q2. Which of the following compounds on reaction with methyl magnesium bromide will give tertiary alcohol.
Answer : Option C
Explaination / Solution:
Q3. Metal which is found in free state is
Answer : Option B
Explaination / Solution:
Gold is least reactive metal.
Q4. Which of the following d block element has half filled penultimate d sub shell as well as half filled valence sub shell?
Answer : Option A
Explaination / Solution:
Cr ⇒ [Ar] 3d5 4s1
Q5. The segments of leech are known as
Answer : Option A
Explaination / Solution:
No Explaination.
Q6. Cathode rays or cathode ray particles are
Answer : Option D
Explaination / Solution:
Cathode rays - In 1897, British physicist J. J. Thomson showed the rays were composed of a previously unknown negatively charged particle, which was later named the electron.
Q7. What is the hybridisation state of benzyl carbonium ion?
Answer : Option A
Explaination / Solution:
No Explaination.
Q8. Water which is absorbed by roots is transported to aerial parts of the plant through
Answer : Option D
Explaination / Solution:
No Explaination.
Q9. The formation of cyanohydrin from acetone is an example of
Answer : Option D
Explaination / Solution:
No Explaination.
Q10. An
element X has the following isotopic composition 200X = 90 %, 199X
= 8 % and 202X = 2 %. The weighted average atomic mass of the
element X is closest to
Answer : Option D
Explaination / Solution:
