Which of the following has sp²-hybridisation
Options
(a) BeCl₂ (b) C₂H₂ (c) C₂H₆ (d) C₂H₄
Correct Answer:
C₂H₄
Explanation:
No explanation available. Be the first to write the explanation for this question by […]
The compressibility factor of an ideal gas is
Options
(a) 1 (b) 2 (c) 4 (d) 6
Correct Answer:
1
Explanation:
Compressibility factor is defined as Z = PV / (PV) ideal = […]
The oxidation state of nitrogen is highest in
Options
(a) N₃H (b) NH₃ (c) N₂H₄ (d) NH₂OH
Correct Answer:
N₃H
Explanation:
No explanation available. Be the first to write the explanation for this […]
DDT is prepared by reacting chlorobenzen with
Options
(a) CHCl₃ (b) CCl₃–CHO (c) CCl₄ (d) ethane
Correct Answer:
CCl₃–CHO
Explanation:
No explanation available. Be the first to write the explanation for this question […]
Photochemical smog is due to the presence of
Options
(a) oxides of sulphur (b) oxides of nitrogen (c) chlorofluorocarbon (d) lead
Correct Answer:
oxides of nitrogen
Explanation:
No explanation available. Be the first […]
A neutral fertilizer among these compounds is
Options
(a) ammonium nitrate (b) urea (c) CAN (d) ammonium sulphate
Correct Answer:
CAN
Explanation:
No explanation available. Be the first to write the explanation for […]
Which of the following is a strong reducing agent
Options
(a) Cr (b) Cl (c) Na (d) Ca
Correct Answer:
Na
Explanation:
No explanation available. Be the first to write the explanation for […]
A drug that is antipyretic as well as analgesic is
Options
(a) Penicillin (b) Chloroquin (c) Para-acetamidophenol (d) Chloropromazine hydrochloride
Correct Answer:
Para-acetamidophenol
Explanation:
No explanation available. Be the first to write the […]
Which of the following aqueous acid is most acidic
Options
(a) HCl (b) HF (c) HI (d) HBr
Correct Answer:
HI
Explanation:
No explanation available. Be the first to write the explanation […]
The number of valence electrons in 4.2g of N³⁻ ion is
Options
(a) 1.6 x Avagadro’s number (b) 2.6 x Avagadro’s number (c) 2.4 x Avagadro’s number (d) 4.2 x Avagadro’s number
Correct […]
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