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
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
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
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
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
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 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
Options
(a) sp < sp² < sp³ (b) sp > sp² < sp³ (c) sp > sp² > sp³ (d) sp […]
Which one of the following compounds is not a protonic acid?
Options
(a) B(OH)₃ (b) PO(OH)₃ (c) SO(OH)₂ (d) SO₂(OH)₂
Correct Answer:
B(OH)₃
Explanation:
No explanation available. Be the first to write the […]
Which compound is electron deficient?
Options
(a) BeCl₂ (b) BCl₃ (c) CCl₄ (d) PCl₅
Correct Answer:
BCl₃
Explanation:
No explanation available. Be the first to write the explanation for this question by […]
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