Chemistry

Which of the following has sp²-hybridisation

Which of the following has sp²-hybridisation Options (a) BeCl₂ (b) C₂H₂ (c) C₂H₆ (d) C₂H₄ Correct Answer: C₂H₄Explanation:No explanation available.…

The compressibility factor of an ideal gas is

The compressibility factor of an ideal gas is Options (a) 1 (b) 2 (c) 4 (d) 6 Correct Answer: 1Explanation:Compressibility…

The oxidation state of nitrogen is highest in

The oxidation state of nitrogen is highest in Options (a) N₃H (b) NH₃ (c) N₂H₄ (d) NH₂OH Correct Answer: N₃HExplanation:No…

DDT is prepared by reacting chlorobenzen with

DDT is prepared by reacting chlorobenzen with Options (a) CHCl₃ (b) CCl₃–CHO (c) CCl₄ (d) ethane Correct Answer: CCl₃–CHOExplanation:No explanation…

Photochemical smog is due to the presence of

Photochemical smog is due to the presence of Options (a) oxides of sulphur (b) oxides of nitrogen (c) chlorofluorocarbon (d)…

A neutral fertilizer among these compounds is

A neutral fertilizer among these compounds is Options (a) ammonium nitrate (b) urea (c) CAN (d) ammonium sulphate Correct Answer:…

Which of the following is a strong reducing agent

Which of the following is a strong reducing agent Options (a) Cr (b) Cl (c) Na (d) Ca Correct Answer:…

A drug that is antipyretic as well as analgesic is

A drug that is antipyretic as well as analgesic is Options (a) Penicillin (b) Chloroquin (c) Para-acetamidophenol (d) Chloropromazine hydrochloride…

Which of the following aqueous acid is most acidic

Which of the following aqueous acid is most acidic Options (a) HCl (b) HF (c) HI (d) HBr Correct Answer:…

The number of valence electrons in 4.2g of N³⁻ ion is

The number of valence electrons in 4.2g of N³⁻ ion is Options (a) 1.6 x Avagadro's number (b) 2.6 x…