Question # 1

The formaton ionic bond between two ions is due to.

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Hydrogen bonding

Metalic force

Electrostatic forces

All of the above

When old bonds are broken, the energy is.

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Release

Remain same

Consume

None of these

How many hydroxide ions, calium hydroxide will release in water.

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2

1

3

zero

Whof the following represent sand?

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NaCl

CaCO3

H2O

CH2O

Proton are feflected toward plate.

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Positive

Negative

Both a and b

None of these

Hydrogen and Helium follow.

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Octet rule

Triple rule

Duplet rule

None of these

Silicon belongs to Grou IVA . It has ....electons in the valence shell

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2

6

3

4

Actinidws belong to period.

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4th

5th

6th

7th

All metals bear

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Positive charge

Negative charge

Both a and b

None of these

Hydrogen bound ing is always found in

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Non-polar molecules

Homoatomic molecules

Polar Molecules

All of the above

A nceklaee has 6 g of diamonds in it . What are the numberof carbon atoms in it?

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3.01 x 10²³

1.003 x 10²³

12.04 x 10²³

6.02 x 10²³

The colour of hydrated cobalt(II) chloride solid is

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White

Black

Blue

Pink

Point out the incorrect statement about electron affinity

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It decreases in a period

It decreases in a group

It is measure din kJmol-1

None of these

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