Answer on Question #71663, Chemistry / Inorganic Chemistry
Question 5 : The ability of the molecules of graphite held together to slide pass one another imparts in it ___________.
1. Brittleness
2. Softness
3. Rigidity
4. Lustre
Question 6 : Which of the following statement is correct?
1. When passed in water, SiF₄ is hydrolysed to give soluble H₂SiF₆
2. Hydrolysis of silicon tetrachloride gives silicic acid
3. Silica is soluble in water
4. Silica is soluble in acids except hydrofluoric acid
Question 7 : Diamond behaves as an insulator because of ___________.
1. Strong ionic bonds formed within its molecule restricting mobility of electrons
2. Strong covalent bonds formed within its molecule restricting mobility of electrons
3. Intermolecular bonding formed between adjacent atoms of the molecule
4. Intramolecular bonding formed within the molecule
Question 8 : ___________ occurs in the elemental state as diamond and graphite.
1. Tin
2. Germaniun
3. Carbon
4. Silicon
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