NTA JEE Main 8th April 2023 Shift 2
For the following questions answer them individually
NTA JEE Main 8th April 2023 Shift 2 - Question 41
Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R.
Assertion A: Sodium is about 30 times as abundant as potassium in the oceans.
Reason R: Potassium is bigger in size than sodium.
In the light of the above statements, choose the correct answer from the options given below
NTA JEE Main 8th April 2023 Shift 2 - Question 42
The descending order of acidity for the following carboxylic acid is-
(A) CH$$_3$$COOH
(B) F$$_3$$C-COOH
(C) ClCH$$_2$$-COOH
(D) FCH$$_2$$-COOH
(E) BrCH$$_2$$-COOH
Choose the correct answer from the options given below:
NTA JEE Main 8th April 2023 Shift 2 - Question 43
The correct IUPAC nomenclature for the following compound is:
NTA JEE Main 8th April 2023 Shift 2 - Question 44
Which of these reactions is not a part of breakdown of ozone in stratosphere?
NTA JEE Main 8th April 2023 Shift 2 - Question 45
The correct reaction profile diagram for a positive catalyst reaction.
NTA JEE Main 8th April 2023 Shift 2 - Question 46
The statement/s which are true about antagonists from the following is/are:
A. They bind to the receptor site.
B. Get transferred inside the cell for their action.
C. Inhibit the natural communication of the body.
D. Mimic the natural messenger.
Choose the correct option from the options given below:
NTA JEE Main 8th April 2023 Shift 2 - Question 47
In Hall-Heroult process, the following is used for reducing Al$$_2$$O$$_3$$:-
NTA JEE Main 8th April 2023 Shift 2 - Question 48
Match List-I with List-II
| LIST-I Coordination Complex | LIST-II Number of unpaired electrons | ||
|---|---|---|---|
| A. | $$[Cr(CN)_6]^{3-}$$ | I. | 0 |
| B. | $$[Fe(H_2O)_6]^{2+}$$ | II. | 3 |
| C. | $$[Co(NH_3)_6]^{3+}$$ | III. | 2 |
| D. | $$[Ni(NH_3)_6]^{2+}$$ | IV. | 4 |
Choose the correct answer from the options given below:
NTA JEE Main 8th April 2023 Shift 2 - Question 49
The correct order of reactivity of following haloarenes towards nucleophilic substitution with aqueous NaOH is:
NTA JEE Main 8th April 2023 Shift 2 - Question 50
A compound 'X' when treated with phthalic anhydride in presence of concentrated H$$_2$$SO$$_4$$ yields 'Y'. 'Y' is used as an acid/base indicator. 'X' and 'Y' are respectively
