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

Identify the incorrect statement about $$\mathrm{PCl}_5$$.

A
$$\mathrm{PCl}_5$$ possesses two different $$\mathrm{Cl}-\mathrm{P}-\mathrm{Cl}$$ bond angles
B
All five $$\mathrm{P}-\mathrm{Cl}$$ bonds are identical in length
C
$$\mathrm{PCl}_5$$ exhibits $$s p^3 d$$ hybridisation
D
$$\mathrm{PCl}_5$$ consists of five $$\mathrm{P}-\mathrm{Cl}$$ (sigma) bonds
2
NEET 2024 (Re-Examination)
MCQ (Single Correct Answer)
+4
-1

Match List-I with List-II:

List - I
Molecule
List - II
Bond enthalpy (kJ mol$$^{-1}$$)
(A) HCl (I) 435.8
(B) N$$_2$$ (II) 498
(C) H$$_2$$ (III) 946.0
(D) O$$_2$$ (IV) 431.0

Choose the correct answer from the options given below:

A
A-III, B-IV, C-I, D-II
B
A-IV, B-I, C-III, D-II
C
A-IV, B-III, C-II, D-I
D
A-IV, B-III, C-I, D-II
3
NEET 2024
MCQ (Single Correct Answer)
+4
-1

Match List I with List II.

List I
(Molecule)
List II
(Number and types of bond/s between two carbon atoms)
A. ethane I. one $$\sigma$$-bond and two $$\pi$$-bonds
B. ethene II. two $$\pi$$-bonds
C. carbon molecule, C$$_2$$ III. one $$\sigma$$-bond
D. ethyne IV. one $$\sigma$$-bond and one $$\pi$$-bond

Choose the correct answer from the options given below :

A
A-I, B-IV, C-II, D-III
B
A-IV, B-III, C-II, D-I
C
A-III, B-IV, C-II, D-I
D
A-III, B-IV, C-I, D-II
4
NEET 2024
MCQ (Single Correct Answer)
+4
-1

Given below are two statements:

Statement I: The boiling point of hydrides of Group 16 elements follow the order $$\mathrm{H}_2 \mathrm{O}>\mathrm{H}_2 \mathrm{Te}>\mathrm{H}_2 \mathrm{Se}>\mathrm{H}_2 \mathrm{S} \text {. }$$

Statement II: On the basis of molecular mass, $$\mathrm{H}_2 \mathrm{O}$$ is expected to have lower boiling point than the other members of the group but due to the presence of extensive $$\mathrm{H}$$-bonding in $$\mathrm{H}_2 \mathrm{O}$$, it has higher boiling point.

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

A
Both Statement I and Statement II are true
B
Both Statement I and Statement II are false
C
Statement I is true but Statement II is false
D
Statement I is false but Statement II is true
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