FSC Chemistry MCQs Chapter 3 Class 12





NUST entry test 2023 NET contains most of the Chemistry MCQs. FSC Part 2 Chemistry book MCQs. HSSC Chemistry questions MCQs. Solved Chapterwise Chemistry MCQs for first-year 12 class MCQs. Second-year and first-year Chemistry textbooks chapter-wise MCQs with the answer are provided here. PakLearningSpot PLS MCQs Bank website for FREE Entry test preparations

608
Created on By Ali Durrani

Chemistry Ch 3 Class 12 s and p Block Elements

1 / 49

Orthoboric acid can NOT be obtained by which of the following?

2 / 49

Impurities of lead in silver are removed by:

NUMS 2016
Chemistry
d and f Block Elements
Elimination Tool:

3 / 49

Chemical formula of powder used in carom board is?

4 / 49

Which one of the following is an acid?

5 / 49

Solubility of Borax decahydrate at 100C is

6 / 49

) Which one of the following is metalloid?

7 / 49

Electronic configuration of chromium (Proton number 24) is:

PMC 2020
Chemistry
d and f Block Elements
Elimination Tool:

8 / 49

Burning of amorphous Boron in air forms

9 / 49

Boric acid is used in

10 / 49

Which one of the following ions exhibits d-d transition and paramagnetism as well?

NTS 2014
Chemistry
d and f Block Elements
Elimination Tool:

11 / 49

The octahedral geometry of the complex [Co(NH3)6]2+ has hybridization:

NUMS 2019 Reconduct
Chemistry
d and f Block Elements
Elimination Tool:

12 / 49

Variable valency is generally exhibited by:

NUMS 2014
Chemistry
d and f Block Elements
Elimination Tool:

13 / 49

Which of the following has the maximum number of unpaired d electrons?

NTS 2016 DUHS & JSMU
Chemistry
d and f Block Elements
Elimination Tool:

14 / 49

IUPAC name for [Pt Cl Br (NO2) (NH3)3] Cl is:

NUMS 2015
Chemistry
d and f Block Elements
Elimination Tool:

15 / 49

Aluminium is a

16 / 49

Ability of carbon to form long chains and rings is known as?

17 / 49

EDTA ion is a ________ ligand.

NTS 2012
Chemistry
d and f Block Elements
Elimination Tool:

18 / 49

A six-coordinate complex of formula CrCl3.6H2O has green color. A 0.1 M solution of the complex, when treated with an excess of AgCl, gave 28.7 g of a white precipitate. The formula of the complex would be___________.

NUMS 2019 Cancelled
Chemistry
d and f Block Elements
Elimination Tool:

19 / 49

The color of transition metal complexes is due to transition of electrons between:

NUMS 2019 Reconduct
Chemistry
d and f Block Elements
Elimination Tool:

20 / 49

The total number of transition elements is:

NUMS 2019 Reconduct
Chemistry
d and f Block Elements
Elimination Tool:

21 / 49

What is the chemical name of SANDUR?

22 / 49

Which one is not the type of Boric Acid?

23 / 49

Which of the following elements of Group 3 is non-metallic in character?

24 / 49

If a person is injected by shot of a gun and all the bullets are not removed from his body, it may cause poisoning by:

NUMS 2017
Chemistry
d and f Block Elements
Elimination Tool:

25 / 49

) Aluminium is agent?

26 / 49

Chromium dissolves in dilute H2SO4 for [Cr(H2O)6]2. The colour of the ion is:

NUMS 2016
Chemistry
d and f Block Elements
Elimination Tool:

27 / 49

In 3rd series of transition elements, paramagnetic behaviour is maximum for Mn +2 and :

PMC 2020
Chemistry
d and f Block Elements
Elimination Tool:

28 / 49

The oxidation states of Boron are:

29 / 49

The transition element which does not show variable valency is:

PMC 2020
Chemistry
d and f Block Elements
Elimination Tool:

30 / 49

Borax bead test is used to separate:

31 / 49

Which of the following does not act as ligand in the formation of complexes?

NUMS 2019 Reconduct
Chemistry
d and f Block Elements
Elimination Tool:

32 / 49

Scandium, Sc, is the first of the 3d blocks of elements in the Periodic table.

Which properties of Sc approve the above fact?

NUMS 2019 Cancelled
Chemistry
d and f Block Elements
Elimination Tool:

33 / 49

Prussian blue is:

NUMS 2014
Chemistry
d and f Block Elements
Elimination Tool:

34 / 49

Which of the following transition metals has the highest variable oxidation state?

NUMS 2019 Cancelled
Chemistry
d and f Block Elements
Elimination Tool:

35 / 49

Aluminium is in Nature

36 / 49

The formula of cryolite is

37 / 49

Which of the following forms a layer of oxide on its exposure to moisture?

38 / 49

silicon can be obtained from which one of the following compounds

39 / 49

Which of the following is not an interstitial compound?

NTS 2014
Chemistry
d and f Block Elements
Elimination Tool:

40 / 49

Which of the following transition metals in its ground state have unpaired electrons in an s-orbital?

NUMS 2015
Chemistry
d and f Block Elements
Elimination Tool:

41 / 49

Transition Elements usually show:

NUMS 2015
Chemistry
d and f Block Elements
Elimination Tool:

42 / 49

Zinc reacts with dil. H2SO4 to give H2. It also reacts with conc. H2SO4 to form SO2. In these reactions.

NTS 2014
Chemistry
d and f Block Elements
Elimination Tool:

43 / 49

Which element of group 4A shows inert pair effect?

44 / 49

Which element among the following forms a protective oxide coating on exposure to air?

45 / 49

Identify from the following the example in which the complex is an anion:

NTS 2016 SMBBMC
Chemistry
d and f Block Elements
Elimination Tool:

46 / 49

Which of the following is used to make container for nitric acid?

47 / 49

Valence electronic configuration Cu+2 is (29Cu)

NUMS 2019 Reconduct
Chemistry
d and f Block Elements
Elimination Tool:

48 / 49

Aluminum silicate is used In:

49 / 49

Aluminum reacts with H2SO4 to produce

Your score is

The average score is 59%

0%




Learn Anytime Anywhere

PakLearningSpot

Download PLS Mobile App from Google Play Store

Open chat
Salam
Can we help you?