NEET 2023 Manipur | Periodic Table and Periodicity Question 7 | Chemistry

NEET 2023 Manipur

MCQ (Single Correct Answer)

-1

Which of the following is correctly matched?

Basic oxides $$\Rightarrow \mathrm{In}_2 \mathrm{O}_3, \mathrm{~K}_2 \mathrm{O}, \mathrm{SnO}_2$$

Neutral oxides $$\Rightarrow \mathrm{CO}, \mathrm{NO}_2, \mathrm{~N}_2 \mathrm{O}$$

Acidic oxides $$\Rightarrow \mathrm{Mn}_2 \mathrm{O}_7, \mathrm{SO}_2, \mathrm{TeO}_3$$

Amphoteric oxides $$\Rightarrow \mathrm{BeO}, \mathrm{Ga}_2 \mathrm{O}_3, \mathrm{GeO}$$

NEET 2023 Manipur

MCQ (Single Correct Answer)

-1

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

NO, ZnO, CO$$_2$$, CaO

ZnO, NO, CaO, CO$$_2$$

NO, CO$$_2$$, ZnO, CaO

NO, CO$$_2$$, CaO, ZnO

NEET 2022 Phase 2

MCQ (Single Correct Answer)

-1

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

C < F < N < O

C < N < F < O

C < N < O < F

C < O < N < F

NEET 2022 Phase 2

MCQ (Single Correct Answer)

-1

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

5f orbitals have greater shielding effect

4f orbitals are penultimate

4f orbitals have greater shielding effect

5f orbitals have poor shielding effect

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