1
WB JEE 2020
MCQ (Single Correct Answer)
+1
-0.25
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What is the major product of the following reaction?

WB JEE 2020 Chemistry - Aldehyde and Ketone Question 8 English
A
WB JEE 2020 Chemistry - Aldehyde and Ketone Question 8 English Option 1
B
WB JEE 2020 Chemistry - Aldehyde and Ketone Question 8 English Option 2
C
WB JEE 2020 Chemistry - Aldehyde and Ketone Question 8 English Option 3
D
WB JEE 2020 Chemistry - Aldehyde and Ketone Question 8 English Option 4
2
WB JEE 2018
MCQ (Single Correct Answer)
+1
-0.33
Change Language
The correct order of reactivity for the addition reaction of the following carbonyl compounds with ethylmagnesium iodide is

WB JEE 2018 Chemistry - Aldehyde and Ketone Question 6 English
A
I > III > II > IV
B
IV > III > II > I
C
I > II > IV > III
D
III > II > I > IV
3
WB JEE 2018
MCQ (Single Correct Answer)
+2
-0.5
Change Language
$$[P]\buildrel {B{r_2}} \over \longrightarrow {C_2}{H_4}B{r_2}\mathrel{\mathop{\kern0pt\longrightarrow} \limits_{N{H_3}}^{NaN{H_2}}} [Q]$$

$$[Q]\mathrel{\mathop{\kern0pt\longrightarrow} \limits_{H{g^{2 + }},\Delta }^{20\% /{H_2}S{O_4}}} [R]\buildrel {Zn - Hg/HCl} \over \longrightarrow [S]$$

The species P, Q, R and S respectively are
A
ethene, ethyne, ethanal, ethane
B
ethane, ethyne, ethanal, ethene
C
ethene, ethyne, ethanal, ethanol
D
ethene, ethane, ethene, ethanal
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