The anion, (Si₆O₁₈)¹²⁻ is present in
The anion, (Si₆O₁₈)¹²⁻ is present in
Options
(a) pyroxene (b) beryl (c) mica (d) albite
Correct Answer:
beryl
Explanation:
No explanation available. Be the first to write the explanation for this question by […]
Questions
The number of carbon atoms in Buckminsterfullerene is
The number of carbon atoms in Buckminsterfullerene is
Options
(a) 50 (b) 350 (c) 60 (d) 70
Correct Answer:
60
Explanation:
Buckminsterfullerene has the formula C₆₀ and is made from interlocking hexagonal and […]
The main reason that SiCl₄ is easily hydrolysed as compared to CCl₄ is that
The main reason that SiCl₄ is easily hydrolysed as compared to CCl₄ is that
Options
(a) Si – Si bond is weaker (b) SiCl₄ can form hydrogen bonds (c) SiCl₄ is covalent (d) […]
The hardest substance amongst the following is
The hardest substance amongst the following is
Options
(a) Be₂C (b) graphite (c) titanium (d) B₄C
Correct Answer:
B₄C
Explanation:
No explanation available. Be the first to write the explanation for this question […]
Inorganic graphite is
Inorganic graphite is
Options
(a) B₃N₃H₆ (b) B₃N₃ (c) SiC (d) Fe(CO)₅
Correct Answer:
B₃N₃
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
The element that does not form a monoxide is
The element that does not form a monoxide is
Options
(a) lead (b) tin (c) germanium (d) silicon
Correct Answer:
silicon
Explanation:
No explanation available. Be the first to write the explanation for […]
Boron is unable to form BF₆³⁻ because of
Boron is unable to form BF₆³⁻ because of
Options
(a) high electronegativity of boron (b) high electronegativity of fluorine (c) lack of d-orbitals in boron (d) less difference in electronegativity between B and […]
Which of the following anions is present in the chain structure of silicates
Which of the following anions is present in the chain structure of silicates
Options
(a) (Si₂O₅²⁻)n (b) (SiO₃)n²⁻n (c) SiO₄⁴⁻ (d) Si₂O₇⁶⁻
Correct Answer:
(SiO₃)n²⁻n
Explanation:
No explanation available. Be the first to […]
Which of the following oxidation states are the most characteristic for lead
Which of the following oxidation states are the most characteristic for lead and tin respectiviely?
Options
(a) 2,4 (b) 4,4 (c) 2,2 (d) 4,2
Correct Answer:
2,4
Explanation:
When ns² electrons of outermost shell […]
The correct order regarding the electronegetivity of hybrid orbitals of carbon is
The correct order regarding the electronegetivity of hybrid orbitals of carbon is
Options
(a) sp < sp² < sp³ (b) sp > sp² < sp³ (c) sp > sp² > sp³ (d) sp […]