1
JEE Main 2023 (Online) 11th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

L-isomer of tetrose $$\mathrm{X}\left(\mathrm{C}_{4} \mathrm{H}_{8} \mathrm{O}_{4}\right)$$ gives positive Schiff's test and has two chiral carbons. On acetylation, '$$\mathrm{X}$$' yields triacetate. '$$\mathrm{X}$$' also undergoes following reactions

JEE Main 2023 (Online) 11th April Morning Shift Chemistry - Biomolecules Question 17 English

'$$\mathrm{X}$$' is

A
JEE Main 2023 (Online) 11th April Morning Shift Chemistry - Biomolecules Question 17 English Option 1
B
JEE Main 2023 (Online) 11th April Morning Shift Chemistry - Biomolecules Question 17 English Option 2
C
JEE Main 2023 (Online) 11th April Morning Shift Chemistry - Biomolecules Question 17 English Option 3
D
JEE Main 2023 (Online) 11th April Morning Shift Chemistry - Biomolecules Question 17 English Option 4
2
JEE Main 2023 (Online) 11th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Which of the following complex has a possibility to exist as meridional isomer?

A
$$\mathrm{[Pt(NH_3)_2Cl_2]}$$
B
$$\left[\mathrm{Co}(\mathrm{en})_{2} \mathrm{Cl}_{2}\right]$$
C
$$\left[\mathrm{Co}(\mathrm{en})_{3}\right]$$
D
$$\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{3}\left(\mathrm{NO}_{2}\right)_{3}\right]$$
3
JEE Main 2023 (Online) 11th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Arrange the following compounds in increasing order of rate of aromatic electrophilic substitution reaction

JEE Main 2023 (Online) 11th April Morning Shift Chemistry - Alcohols, Phenols and Ethers Question 19 English

A
d, b, a, c
B
b, c, a, d
C
c, a, b, d
D
d, b, c, a
4
JEE Main 2023 (Online) 11th April Morning Shift
Numerical
+4
-1
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A solution of sugar is obtained by mixing $$200 \mathrm{~g}$$ of its $$25 \%$$ solution and $$500 \mathrm{~g}$$ of its $$40 \%$$ solution (both by mass). The mass percentage of the resulting sugar solution is ___________ (Nearest integer)

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