Inorganic Chemistry Transition Elements MCQs Quiz Test 18

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1. Which period starts from 1Sc to 30Zn?

4th period
Third period
First period
Second period (Answer)

2. Which element has zero binding energy?

V (Answer)
W
Zn
Co

3. Salts of chromic acids are called:

Silicates (Answer)
Chromates
Dichromates
Silicones

4. If all the donar atoms coordinate with central metal atom making one or more rings in the structure is called:

Dipolar ion
Chelates
Molecular ion (Answer)
Zwitter ion

5. Which element has maximum binding energy?

V
W (Answer)
Zn
Co

6. Wrought iron is prepared from pig iron by the process:

Bessemer’s atom
Puddling
Open heart process (Answer)
Blast furnace

7. 5-d series is in the period:

6th (Answer)
5th
7th
4th

8. Salts of dichromic acids are:

Dichromates
Silicates
Silicones (Answer)
Chromates

9. Which has least melting point among the given?

V
W (Answer)
Co
Zn

10. 4-d series is in the period:

6th
5th
7th
4th (Answer)

11. Hard steel contains carbon in it:

0.2-1.5%
0.7-1.5% (Answer)
0.1-0.2%
0.2-0.7%

12. Sr, Y and La belong to the series:

II-B
I-B
IV-B
III-B (Answer)

13. Which element has highest melting point?

V
W
Co (Answer)
Zn

14. 3-d series elements are present in:

Second period
First period
4th period
Third period (Answer)

15. Annually, amount of iron get corroded is of its production:

¼ (Answer)
1/10
½
¾