1
JEE Main 2022 (Online) 25th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
In base vs. acid titration, at the end point methyl orange is present as
2
JEE Main 2022 (Online) 25th July Morning Shift
MCQ (Single Correct Answer)
+4
-1
Match List I with List II
List I | List II | ||
---|---|---|---|
(A) | N$$_2$$(g) + 3H$$_2$$(g) $$ \to $$ 2NH$$_3$$(g) | (I) | Cu |
(B) | CO(g) + 3H$$_3$$(g) $$ \to $$ CH$$_4$$(g) + H$$_2$$O(g) | (II) | Cu/ZnO $$ - $$ Cr$$_2$$O$$_3$$ |
(C) | CO(g) + H$$_2$$(g) $$ \to $$ HCHO(g) | (III) | Fe$$_x$$O$$_y$$ + K$$_2$$O + Al$$_2$$O$$_3$$ |
(D) | CO(g) + 2H$$_2$$(g) $$ \to $$ CH$$_3$$OH(g) | (IV) | Ni |
Choose the correct answer from the options given below :
3
JEE Main 2022 (Online) 26th June Morning Shift
MCQ (Single Correct Answer)
+4
-1
Given below are two statements :
Statement I : In 'Lassaigne's Test', when both nitrogen and sulphur are present in an organic compound, sodium thiocyanate is formed.
Statement II : If both nitrogen and sulphur are present in an organic compound, then the excess of sodium used in sodium fusion will decompose the sodium thiocyanate formed to give NaCN and Na2S.
In the light of the above statements, choose the most appropriate answer from the options given below :
4
JEE Main 2022 (Online) 25th June Morning Shift
MCQ (Single Correct Answer)
+4
-1
Phenol on reaction with dilute nitric acid, gives two products. Which method will be most efficient for large scale separation?
Questions Asked from Practical Organic Chemistry (MCQ (Single Correct Answer))
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