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

Match the List - I with List - II

List - I
(Hydride)
List - II
(Type of Hydride)
(A) $$\mathrm{NaH}$$ (I) Electron precise
(B) $$\mathrm{PH_3}$$ (II) Saline
(C) $$\mathrm{GeH_4}$$ (III) Metallic
(D) $$\mathrm{LaH_{2.87}}$$ (IV) Electron rich

Choose the correct answer from the options given below :

A
(A)-(III), (B)-(IV), (C)-(II), (D)-(I)
B
(A)-(II), (B)-(III), (C)-(IV), (D)-(I)
C
(A)-(I), (B)-(III), (C)-(II), (D)-(IV)
D
(A)-(II), (B)-(IV), (C)-(I), (D)-(III)
2
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 : Helium is used to dilute oxygen in diving apparatus.

Reason R : Helium has high solubility in O$$_2$$.

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.
3
NEET 2023
MCQ (Single Correct Answer)
+4
-1
Change Language

Match List I with List II:

List I
List II
(A) Coke (I) Carbon atoms are sp$$^3$$ hybridised
(B) Diamond (II) Used as a dry lubricant
(C) Fullerene (III) Used as a reducing agent
(D) Graphite (IV) Cage like molecules

Choose the correct answer from the options given below:

A
A-IV, B-I, C-II, D-III
B
A-III, B-I, C-IV, D-II
C
A-III, B-IV, C-I, D-II
D
A-II, B-IV, C-I, D-III
4
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
$$\mathrm{O}$$
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