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P block elements

Authored by HEMA KC

Chemistry

12th Grade

Used 27+ times

P block elements
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Presence of ozone can be detected by

FeS

CuS

PbS

none of these

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

The strongest acid

HI

HCl

HF

HBr

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Nitrogen is chemically inert. Why?

Due to presence of double bond require more energy to break

Due to presence of triple bond require more energy to break

Triple bond requires less energy to break

None of the above

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

5.The shape of I F 7

T shape

trigonal bipyramidal

linear

pentagonal bipyramidal

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Pick out the correct statement

Chlorine water on standing loses its yellow colour due to the formation of HBr

Bleaching property of chlorine is due to the formation of nascent oxygen

Chlorine converts SO2 to SO3

The bleaching effect of chlorine is temporary.

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In the interhalogen compound XX', which among the following statement is correct

X is larger halogen, X' is smaller halogen

X is smaller halogen, X' is larger halogen

Both X and X' are of the same size

Size of X and X' doesn't matter

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A brown ring is formed in the ring test for NO3ion. It is due to the formation of

[Fe(H2O)5 (NO)]2+

FeSO4.NO2

[Fe(H2O)4(NO)2]2+

FeSO4.HNO3

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