1
NEET 2026
MCQ (Single Correct Answer)
+4
-1
Change Language

$$ \text { Match List I with List II : } $$

List-I
(Order of reaction)
List-II
(Unit of rate constant)
A. Zero order I. $\mathrm{mol}^{-1} \mathrm{~L} \mathrm{~s}^{-1}$
B. First order II. $\mathrm{mol}^{-2} \mathrm{~L}^2 \mathrm{~s}^{-1}$
C. Second order III. $\mathrm{s}^{-1}$
D. Third order IV. $\mathrm{mol} \mathrm{L}^{-1} \mathrm{~s}^{-1}$
Choose the correct answer from the options given below :
A

A-IV, B-II, C-I, D-III

B

A-IV, B-III, C-I, D-II

C

A-IV, B-III, C-II, D-I

D

A-I, B-II, C-III, D-IV

2
NEET 2026
MCQ (Single Correct Answer)
+4
-1
Change Language

$$ \text { The correct IUPAC name of the following compound is : } $$

NEET 2026 Chemistry - Some Basic Concepts of Organic Chemistry Question 1 English
A

3-ethyl-5-methylheptane

B

2,4-diethylhexane

C

3-methyl-5-ethylheptane

D

3,5-diethylhexane

3
NEET 2026
MCQ (Single Correct Answer)
+4
-1
Change Language

A bulb is rated at 150 watt, converting $8 \%$ energy into light. If energy of one photon is $4.42 \times 10^{-19} \mathrm{~J}$, how many photons are emitted by the bulb per second?

A

$2.71 \times 10^{19}$

B

$4.06 \times 10^{19}$

C

$27.2 \times 10^{19}$

D

$1.35 \times 10^{19}$

4
NEET 2026
MCQ (Single Correct Answer)
+4
-1
Change Language

Methane reacts with steam at 1273 K in the presence of nickel catalyst to form :

A

CO and $\mathrm{H}_2 \mathrm{O}$

B

$ \mathrm{CO}_2$ and $\mathrm{H}_2$

C

$ \mathrm{CO}$ and $\mathrm{H}_2$

D

$ \mathrm{CO}_2$ and $\mathrm{H}_2 \mathrm{O}$