S and Some P Block Elements Archives - Page 5 of 16

Carbon and silicon belong to (IV) group. The maximum coordination number of carbon in commonly occurring compounds is 4, whereas…

7 years ago

The wrong statement about fullerene is Options (a) it has 5-membered carbon ring (b) it has 6-membered carbon ring (c)…

7 years ago

Incorrect statement about Ge is Options (a) GeO₂ is weakly amphoteric (b) Ge(OH)₂ is amphoteric (c) GeCl₂ is more stable…

7 years ago

The incorrect statement among the following is Options (a) C₆₀ is an allotropic form of carbon (b) O₃ is an…

7 years ago

In diborane the two H-B-H angles are nearly Options (a) 60⁰,120⁰ (b) 95⁰,120⁰ (c) 95⁰,150⁰ (d) 120⁰,180⁰ Correct Answer: 95⁰,120⁰Explanation:No…

7 years ago

Hardest compound of boron is Options (a) Magnesium boride (b) aluminium boride (c) boron nitride (d) boron carbide Correct Answer:…

7 years ago

Which of the following is the least stable and its existence is doubtful Options (a) SnI₄ (b) CI₄ (c) PbI₄…

7 years ago

Which of the following glasses is the most heat resistant? Options (a) Bottle glass (b) Flint glass (c) Water glass…

7 years ago

Which of the following shows bond in silicone? Options (a) Si - C - Si - C - Si (b)…

7 years ago

Aluminium deposited vapours on glass forms a good mirror essentially because Options (a) it has better shine than Ag (b)…

7 years ago