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

The correct sequence given below containing neutral, acidic, basic and amphoteric oxide each, respectively, is

A
NO, ZnO, CO$$_2$$, CaO
B
ZnO, NO, CaO, CO$$_2$$
C
NO, CO$$_2$$, ZnO, CaO
D
NO, CO$$_2$$, CaO, ZnO
2
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1
Change Language

The correct order of first ionization enthalpy for the given four elements is :

A
C < F < N < O
B
C < N < F < O
C
C < N < O < F
D
C < O < N < F
3
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1
Change Language

Decrease in size from left to right in actinoid series is greater and gradual than that in lanthanoid series due to

A
5f orbitals have greater shielding effect
B
4f orbitals are penultimate
C
4f orbitals have greater shielding effect
D
5f orbitals have poor shielding effect
4
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1
Change Language

Fluorine is a stronger oxidising agent than chlorine because :

(a) F-F bond has a low enthalpy of dissociation.

(b) Fluoride ion (F$$-$$) has high hydration enthalpy.

(c) Electron gain enthalpy of fluorine is less negative than chlorine.

(d) Fluorine has a very small size.

Choose the most appropriate answer from the options given :

A
(b) and (c) only
B
(a) and (b) only
C
(a) and (c) only
D
(a) and (d) only
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