(1) Yellow
(2) Violet
(3) Green
(4) Blue
Ans. (1)
Solution:
Due to presence of F- centre
Q: 39. Which option is valid for zero order reaction.
(1)
(2)
(3)
(4)
Ans. (3)
Solution:
For zero order
Q: 40. Violet colour appear in glass when we add-
(1)
(2)
(3)
(4)
Ans. (1)
Solution:
gives violet colour (according table in NCERT Class XII )
Q: 41. In which ‘d’ electrons are zero?
(1)
(2)
(3)
(4)
Ans. (4)
Q: 42. What is IUPAC name of following?
4-Bromo-2-Phenylpent-2-Ene
Title: Q-42-Image of 4-Bromo-2-phenylpent-2-ene
Description: Q-42- Image of 4-Bromo-2-phenylpent-2-ene
(1) 4-Bromo-2-phenylpent-2-ene
(2) 2-Bromo-4-phenylpent-2-ene
(3) 4-Bromo-2-phenylpent-4-ene
(4) 2-Bromo-4-phenylpent-3-ene
Ans. (1)
Solution:
4-Bromo-2-Phenylpent-2-Ene
Title: Q-42-1-Image of 4-Bromo-2-phenylpent-2-ene
Description: Q-42-1- Image of 4-Bromo-2-phenylpent-2-ene