1
NEET 2023
MCQ (Single Correct Answer)
+4
-1
Change Language

The number of $$\sigma$$ bonds, $$\pi$$ bonds and lone pair of electrons in pyridine, respectively are:

A
12, 3, 0
B
11, 3, 1
C
12, 2, 1
D
11, 2, 0
2
NEET 2023
MCQ (Single Correct Answer)
+4
-1
Change Language

The element expected to form largest ion to achieve the nearest noble gas configuration is

A
$$\mathrm{F}$$
B
$$\mathrm{N}$$
C
$$\mathrm{Na}$$
D
$$\mathrm{O}$$
3
NEET 2023
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 : A reaction can have zero activation energy.

Reason R : The minimum extra amount of energy absorbed by reactant molecules so that their energy becomes equal to threshold value, is called activation energy.

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

A
Both A and R are true but R is NOT the correct explanation of A.
B
A is true but R is false.
C
A is false but R is true.
D
Both A and R are true and R is the correct explanation of A.
4
NEET 2023
MCQ (Single Correct Answer)
+4
-1
Change Language

Consider the following reaction and identify the product (P).

NEET 2023 Chemistry - Alcohol, Phenols and Ethers Question 1 English

A
$$\mathrm{CH}_{3} \mathrm{CH}=\mathrm{CH}-\mathrm{CH}_{3}$$
B
NEET 2023 Chemistry - Alcohol, Phenols and Ethers Question 1 English Option 2
C
NEET 2023 Chemistry - Alcohol, Phenols and Ethers Question 1 English Option 3
D
NEET 2023 Chemistry - Alcohol, Phenols and Ethers Question 1 English Option 4
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