1
NEET 2024 (Re-Examination)
MCQ (Single Correct Answer)
+4
-1
Change Language

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

Assertion A: During the transportation of gases, about 20-25 percent of CO$$_2$$ is carried by Haemoglobin as carbamino-haemoglobin.

Reason R: This binding is related to high pCO$$_2$$ and low pO$$_2$$ in tissues.

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

A
A is true but R is false.
B
A is false but R is true.
C
Both A and R are true and R is the correct explanation of A.
D
Both A and R are true but R is NOT the correct explanation of A
2
NEET 2024 (Re-Examination)
MCQ (Single Correct Answer)
+4
-1
Change Language

The correct decreasing order of atomic radii (pm) of $$\mathrm{Li}, \mathrm{Be}, \mathrm{B}$$ and $$\mathrm{C}$$ is

A
$$\mathrm{Be}>\mathrm{Li}>\mathrm{B}>\mathrm{C}$$
B
$$\mathrm{Li}>\mathrm{Be}>\mathrm{B}>\mathrm{C}$$
C
$$\mathrm{C}>\mathrm{B}>\mathrm{Be}>\mathrm{Li}$$
D
$$\mathrm{Li}>\mathrm{C}>\mathrm{Be}>\mathrm{B}$$
3
NEET 2024 (Re-Examination)
MCQ (Single Correct Answer)
+4
-1
Change Language

Following data is for a reaction between reactants A and B :

Rate
$$\mathrm{mol} \mathrm{~L}^{-1} \mathrm{~s}^{-1}$$
$$\mathrm{[A]}$$ $$\mathrm{[B]}$$
$$
2 \times 10^{-3}
$$
0.1 M 0.1 M
$$
4 \times 10^{-3}
$$
0.2 M 0.1 M
$$
1.6 \times 10^{-2}
$$
0.2 M 0.2 M

$$ \text { The order of the reaction with respect to } \mathrm{A} \text { and } \mathrm{B} \text {, respectively, are } $$

A
1, 0
B
0, 1
C
1, 2
D
2, 1
4
NEET 2024 (Re-Examination)
MCQ (Single Correct Answer)
+4
-1
Change Language

Given below are two statements:

Statement I: Propene on treatment with diborane gives an addition product with the formula

NEET 2024 (Re-Examination) Chemistry - Hydrocarbons Question 5 English 1

Statement II: Oxidation of

NEET 2024 (Re-Examination) Chemistry - Hydrocarbons Question 5 English 2

with hydrogen peroxide in presence of $$\mathrm{NaOH}$$ gives propan-2ol.

In the light of the above statements, choose the most appropriate answer from the options given below:

A
Statement I is correct but Statement II is incorrect
B
Statement I is incorrect but Statement II is correct
C
Both Statement I and Statement II are correct
D
Both Statement I and Statement II are incorrect
EXAM MAP