NTA JEE Main 25th January 2023 Shift 1
For the following questions answer them individually
NTA JEE Main 25th January 2023 Shift 1 - Question 31
The radius of the 2$$^{nd}$$ orbit of Li$$^{2+}$$ is $$x$$. The expected radius of the 3$$^{rd}$$ orbit of Be$$^{3+}$$ is
NTA JEE Main 25th January 2023 Shift 1 - Question 32
'25 volume' hydrogen peroxide means
NTA JEE Main 25th January 2023 Shift 1 - Question 33
Match List I with List II
List I (Elements) List II (Colour imparted to the flame)
A.   K          I.  Brick Red
B.   Ca        II.  Violet
C.    Sr         III.   Apple Green
D.    Ba        IV.   Crimson Red
Choose the correct answer from the options given below:
NTA JEE Main 25th January 2023 Shift 1 - Question 34
Which of the following conformations will be the most stable?
NTA JEE Main 25th January 2023 Shift 1 - Question 35
The compound which will have the lowest rate towards nucleophilic aromatic substitution on treatment with OH$$^-$$ is
NTA JEE Main 25th January 2023 Shift 1 - Question 36
The correct sequence of reagents for the preparation of QÂ and R is:Â
NTA JEE Main 25th January 2023 Shift 1 - Question 37
Some reactions of NO$$_2$$ relevant to photochemical smog formation are
Identify A, B, X and Y
NTA JEE Main 25th January 2023 Shift 1 - Question 38
A cubic solid is made up of two elements X and Y. Atoms of X are present on every alternate corner and one at the center of cube. Y is at $$\frac{1}{3}$$rd of the total faces. The empirical formula of the compound is
NTA JEE Main 25th January 2023 Shift 1 - Question 39
Which one of the following reactions does not occur during extraction of copper?
NTA JEE Main 25th January 2023 Shift 1 - Question 40
Reaction of thionyl chloride with white phosphorus forms a compound [A], which on hydrolysis gives [B], a dibasic acid. [A] and [B] are respectively
