JEE Main Previous Year Papers Questions of Chemistry With Solutions are available at eSaral.
Simulator
Previous Years AIEEE/JEE Main Questions
Q. Which of the following will change the colour of acidic dichromate solution.
[JEE-MAINS 2013]
[JEE-MAINS 2013]
Ans. (A)
Q.
[JEE-MAINS 2013]
[JEE-MAINS 2013]
Ans. (C)
Q.
[JEE-MAINS 2013]
[JEE-MAINS 2013]
Ans. (A)
Q. The most suitable reagent for the conversion of $\mathrm{R}-\mathrm{CH}_{2}-\mathrm{OH} \rightarrow \mathrm{R}-\mathrm{CHO}$ is :-
(A) $\mathrm{CrO}_{3}$
(B) PCC (Pyridinium chlorochromate)
(D) $\mathrm{K}_{2} \mathrm{Cr}_{2} \mathrm{O}_{7}$
[JEE-MAINS 2014]
(D) $\mathrm{K}_{2} \mathrm{Cr}_{2} \mathrm{O}_{7}$
[JEE-MAINS 2014]
Ans. (B)