In graphide electrons are
In graphide electrons are Options (a) localised on each C-atom (b) localised on every third C-atom (c) spread out between…
7 years ago
Chemistry
Boron compounds behave as Lewis acid, because of their
Boron compounds behave as Lewis acid, because of their Options (a) ionisation property (b) electron deficient nature (c) acidic nature…
7 years ago
Aluminium (III) chloride forms a dimer because aluminium
Aluminium (III) chloride forms a dimer because aluminium Options (a) belongs to 3rd group (b) can have higher coordination number…
7 years ago
Which of the following statements about H₃BO₃ is not correct
Which of the following statements about H₃BO₃ is not correct Options (a) It has a layer structure in which planar…
7 years ago
Carbon and silicon belong to (IV) group.The maximum coordination number
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
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
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
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
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
Hardest compound of boron is Options (a) Magnesium boride (b) aluminium boride (c) boron nitride (d) boron carbide Correct Answer:…
7 years ago