Chemistry-Chemical Bonding

Test Preparation on Chemistry-Chemical Bonding

1.

Solid NaCl is a bad conductor of electricity because

1in solid NaCl there are no ions
2solid NaCl is covalent
3in solid NaCl there is no mobility of ions
4in solid NaCl there are no electrons

NaCl only conduct electricity in molten and aqueous solution not solid. In solid NaCl there is no mobility of ions it form precipitate

2.

The bond present in CuSO4.5H2O will be

1ionic bond and hydrogen bond
2covalent bond
3coordinate bond
4all of the above

3.

If the formula of a compound is X2 Y5, then what will be the numbers of electrons present in the valance shells of X and Y, respectively?

15 and 6
26 and 3
32 and 3
45 and 2

4.

Which of the following does not have H - bond?

1water
2Phenol
3Liquefied HCl
4Liquefied NH3

5.

Coordinate bond is formed in

1NaCl
2NH4Cl
3Cl2
4BCl3

Chlorine provide its negative charge toNH4+ species by coordinate bond

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