P Block Elements in Group 15 Archives - Page 7 of 9

Nitrous oxide is known as Options (a) breathing gas (b) laughing gas (c) exercising gas (d) laboratory gas Correct Answer:…

7 years ago

How many P = O bond present in (HPO₃)₃ Options (a) 0 (b) 3 (c) 6 (d) 9 Correct Answer:…

7 years ago

SO₂ reacts with Cl in sunlight to form Options (a) sulphuryl chloride (b) sulphanyl chloride (c) sulphur dioxide (d) none…

7 years ago

Tincture iodine is Options (a) aqueous solution of I₂ (b) solution of I₂ in aqueous KI (c) alcoholic solution of…

7 years ago

Argon gas was discovered by Options (a) Rayleigh (b) Ramsay (c) Lockerey (d) none of these Correct Answer: RayleighExplanation:No explanation…

7 years ago

When iodine is dissolved in CCl₄, the resulting colour is Options (a) brown (b) violet (c) yellow (d) bluish green…

7 years ago

Which one forms KHX₂ type compound Options (a) HF (b) HCl (c) HI (d) HBr Correct Answer: HFExplanation:No explanation available.…

7 years ago

Which of the following substances is used, in laboratory, for fast drying of netural gases Options (a) Phosphorus pentoxide (b)…

7 years ago

Which of the following is true about ClO₂ Options (a) It is paramagnetic (b) It dimerises in liquid phase (c)…

7 years ago

Chlorine is liberated, when we heat Options (a) Pb(NO₃)₂ + MnO₂ (b) K₂Cr₂O₇ + MnO₂ (c) KMnO₄ + NaCl (d)…

7 years ago