1
JEE Main 2024 (Online) 9th April Evening Shift
MCQ (Single Correct Answer)
+4
-1
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Major product of the following reaction is

JEE Main 2024 (Online) 9th April Evening Shift Chemistry - Compounds Containing Nitrogen Question 38 English

A
JEE Main 2024 (Online) 9th April Evening Shift Chemistry - Compounds Containing Nitrogen Question 38 English Option 1
B
JEE Main 2024 (Online) 9th April Evening Shift Chemistry - Compounds Containing Nitrogen Question 38 English Option 2
C
JEE Main 2024 (Online) 9th April Evening Shift Chemistry - Compounds Containing Nitrogen Question 38 English Option 3
D
JEE Main 2024 (Online) 9th April Evening Shift Chemistry - Compounds Containing Nitrogen Question 38 English Option 4
2
JEE Main 2024 (Online) 9th April Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

The coordination environment of $$\mathrm{Ca}^{2+}$$ ion in its complex with $$\mathrm{EDTA}^{4-}$$ is :

A
trigonal prismatic
B
octahedral
C
square planar
D
tetrahedral
3
JEE Main 2024 (Online) 9th April Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

The incorrect statement regarding ethyne is

A
The carbon - carbon bonds in ethyne is weaker than that in ethene
B
Both carbons are sp hybridised
C
The $$\mathrm{C}-\mathrm{C}$$ bonds in ethyne is shorter than that in ethene
D
Ethyne is linear
4
JEE Main 2024 (Online) 9th April Evening Shift
Numerical
+4
-1
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Based on Heisenberg's uncertainty principle, the uncertainty in the velocity of the electron to be found within an atomic nucleus of diameter $$10^{-15} \mathrm{~m}$$ is ________ $$\times 10^9 \mathrm{~ms}^{-1}$$ (nearest integer)

[Given : mass of electron $$=9.1 \times 10^{-31} \mathrm{~kg}$$, Plank's constant $$(h)=6.626 \times 10^{-34} \mathrm{Js}$$] (Value of $$\pi=3.14$$)

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