1
JEE Main 2023 (Online) 1st February Morning Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language

Match List I with List II

List I List II
A. Tranquilizers I. Anti blood clotting
B. Aspirin II. Salvarsan
C. Antibiotic III. antidepressant drugs
D. Antiseptic IV. soframicine

Choose the correct answer from the options given below:

A
(A) - II, (B) - I, (C) - III, (D) - IV
B
(A) - IV, (B) - II, (C) - I, (D) - III
C
(A) - III, (B) - I, (C) - II, (D) - IV
D
(A) - II, (B) - IV, (C) - I, (D) - III
2
JEE Main 2023 (Online) 1st February Morning Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R

Assertion A: In an Ellingham diagram, the oxidation of carbon to carbon monoxide shows a negative slope with respect to temperature.

Reason R: CO tends to get decomposed at higher temperature.

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

A
A is correct but R is not correct
B
Both A and R are correct but R is NOT the correct explanation of A
C
A is not correct but R is correct
D
Both A and R are correct and R is the correct explanation of A
3
JEE Main 2023 (Online) 1st February Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Highest oxidation state of Mn is exhibited in $$\mathrm{Mn_2O_7}$$. The correct statements about $$\mathrm{Mn_2O_7}$$ are

(A) Mn is tetrahedrally surrounded by oxygen atoms.

(B) Mn is octahedrally surrounded by oxygen atoms.

(C) Contains Mn-O-Mn bridge.

(D) Contains Mn-Mn bond.

Choose the correct answer from the options given below :

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

The correct representation in six membered pyranose form for the following sugar [X] is

JEE Main 2023 (Online) 1st February Morning Shift Chemistry - Biomolecules Question 32 English

A
JEE Main 2023 (Online) 1st February Morning Shift Chemistry - Biomolecules Question 32 English Option 1
B
JEE Main 2023 (Online) 1st February Morning Shift Chemistry - Biomolecules Question 32 English Option 2
C
JEE Main 2023 (Online) 1st February Morning Shift Chemistry - Biomolecules Question 32 English Option 3
D
JEE Main 2023 (Online) 1st February Morning Shift Chemistry - Biomolecules Question 32 English Option 4
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