1
JEE Main 2023 (Online) 12th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Given below are two statement: one is labelled as Assertion $$\mathbf{A}$$ and the other is labelled as Reason $$\mathbf{R}$$

Assertion A: $$5 \mathrm{f}$$ electrons can participate in bonding to a far greater extent than $$4 \mathrm{f}$$ electrons

Reason R: $$5 \mathrm{f}$$ orbitals are not as buried as $$4 \mathrm{f}$$ orbitals

In the light of the above statements, choose the correct answer from the options given below

A
Both A and R are true and R is the correct explanation of A
B
Both A and R are true but R is NOT the correct explanation of A
C
A is true but R is false
D
A is false but R is true
2
JEE Main 2023 (Online) 12th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

A metal chloride contains $$55.0 \%$$ of chlorine by weight . $$100 \mathrm{~mL}$$ vapours of the metal chloride at STP weigh $$0.57 \mathrm{~g}$$. The molecular formula of the metal chloride is

(Given: Atomic mass of chlorine is $$35.5 \mathrm{u}$$)

A
$$\mathrm{MCl}_{2}$$
B
$$\mathrm{MCl}_{4}$$
C
$$\mathrm{MCl}_{3}$$
D
$$\mathrm{MCl}$$
3
JEE Main 2023 (Online) 12th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Correct statements for the given reaction are :

JEE Main 2023 (Online) 12th April Morning Shift Chemistry - Alcohols, Phenols and Ethers Question 35 English

A. Compound '$$\mathrm{B}$$' is aromatic

B. The completion of above reaction is very slow

C. 'A' shows tautomerism

D. The bond lengths of C-C in compound $B$ are found to be same

Choose the correct answer from the options given below:

A
B, C and D only
B
A, C and D only
C
A, B and D only
D
A, B and C only
4
JEE Main 2023 (Online) 12th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

The incorrect statement regarding the reaction given below is

JEE Main 2023 (Online) 12th April Morning Shift Chemistry - Compounds Containing Nitrogen Question 39 English

A
'$$\mathrm{B}$$' is N-nitroso ammonium compound
B
The product '$$\mathrm{B}$$' formed in the above reaction is $$\mathrm{p}$$-nitroso compound at low temperature
C
The electrophile involved in the reaction is $$\mathrm{NO}^{+}$$
D
The reaction occurs at low temperature
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