Chemistry For Third Secondary → Quiz7:The properties of the First transition series

Created on November 10, 2022 By

gogorabei

Quiz7:Chapter1 The properties of The First Transition Elements

1 / 19

we can see ………… by metal ion

a)The sum of the colors which absorbed b)The sum of the colors which are not . absorbed

b)The sum of the colors which are not . absorbed

c)The sum of absorbed and not absorbed colors

d)No correct answer

2 / 19

Cobalt compounds have a green color this can be explained by ……….

a)contain unpaired electrons in s-sublevel

b)absorb green light

c)reflect green .light

d)reflect red light

3 / 19

which of the following are not complementary ……. ?

a)Reddish violet and yellowwish green

b)Redish yellow and greenish violet

c)Green and red

d)Green and .orange

4 / 19

All of the following compounds are colored except ……..

a)V2O5

b)ZnSO4.

c) TiCl2

d)VO2

5 / 19

If the electronic configuration of elemen (X) ended by 3d7 , so the compound XCl3 is ……..

a)colored and contains 2 unpaired electrons

b.)colored and contains 4 unpaired electrons.

c)colorless and doesn’t contain unpaired electrons

d)colorless and contains 3 unpaired electrons

6 / 19

Element whose ions are colorless in oxidation state (1+) but coloured in oxidation state (2+) it has an atomic number = ………………

a)30

b.)29

c)22

d)21

7 / 19

Elements in the 2^nd transition series can not form colored compounds in solution the electronic configuration in atomic states are :

a)4s2,3d1 and 4s1 ,3d10

b)5s1 ,4d10 and 5s2,4d10

c.)5s2,4d1 and 5s2,4d10

d)6s2,5d1 and 6s2 ,5d10

8 / 19

which solution appears blue :

a)ZnCl2

b)VCl3.

c)AlCl3

d)ZnCl2

9 / 19

FeCl₃ is ……… solution

a)coloured

b)paramagnetic

c)colored and .paramagnetic

d)colorless and daiamangetic

10 / 19

when the d-sublevel of an ion is not completely filled with electrons that indicate ……

a)The is more stable

b)The substance is diamagnetic and colorless

c)the substance is colored solution

d) The substance is paramagnetic , colored and less active .

11 / 19

A,B,C are 3 successive element from ist transition series if A3+ solution is colorless so magnetic moment of (B) and (C) in atomic states are respictively:

a)3 and 2

b)1 and 2

c.)2 and 3

d)3 and 4

12 / 19

Transition element X has abnormal electronic distribution and its (1+) ion has colorles solution so its following element next it in the same period in all its compounds are :

a.)colorless solution

b)colored solution

c)attracted to magnet

d)have magnetic moment=4

13 / 19

Elements (X) its atomic configuration [35Kr]5s1,44d10,so it …….

a.)diamagnetic in M1+

b)colorless in solution M2+

c)paramagnetic in M1+

d)a and b are correct

14 / 19

Element (X) is located in the first transition series the XCl₂ is [Ar]3d⁵ so which of the following sentences is wrong?

a)its highest oxidation state is 7+

b)its atomic number is 25

c)it has two stable oxidation states

d.)all compounds are paramagnetic

15 / 19

)From the discription which is the most likely to be a transition metal

a)Low melting point ,high denisty ,form a white colored chloride

b)High melting point ,low denisty ,form a green colored chloride

c) High melting point ,high denisty ,form a white colored chloride

d.) High melting point ,high denisty ,form a blue colored chloride

16 / 19

An element (X) is in group IIIB of the periodic table which property of (X) can detected from this fact ?

a)different oxidation satates of X

b) 3 charges on an ion of (X)

c)paramagnetic, property of the ion of (X)

d)the colored solution of the ion of (X)

17 / 19

In the first transition series by comparing between elements of group VIIB with another element of group IIIB we will find that:

a)IIIB ion is paramagnetic

b) VIIB metal has less denisty than IIIB

c)IIIB metal has the highest oxidation state

d)VIIB compounds are mostly colored in solution ,but that of IIIB are not

18 / 19

The following figure is a part of one of transition series :

				IB
A	B	C	D	E	X

An element whose all compounds are colorless in solution

a)X

b)D

c) A

d)c

19 / 19

which of the following sentence is correct about the first transition series

				VIIB
A	B	C	D	E

a.)Element (E) has the highest oxidation state

b)The atomic radius of (D) is bigger than that of (B)

c)The 4+ ion of element (E) is diamagnetic

d)The compounds of element (A) is colored

Your score is

The average score is 21%

Chemistry For Third Secondary

Curriculum

Quiz7:The properties of the First transition series

Modal title