P Block Elements in Group 15 Archives

Chlorine is in +1 oxidation state in which of the following Options (a) HCl (b) Cl₂O (c) HClO₄ (d) Cl₂…

7 years ago

Which is weakest acid Options (a) HI (b) HBr (c) HCl (d) HF Correct Answer: HFExplanation:No explanation available. Be the…

7 years ago

Urea is preferred to ammonium sulphate as a nitrogeneous fertilizer because Options (a) it is more soluble in water (b)…

7 years ago

Which of the following statements is correct Options (a) All halogens except fluorine form oxy acid (b) All halogens form…

7 years ago

The number of acidic protons in H₃PO₃ are Options (a) 0 (b) 1 (c) 2 (d) 3 Correct Answer: 2Explanation:No…

7 years ago

NO₂ is not obtained on heating Options (a) AgNO₃ (b) KNO₃ (c) Cu(NO₃)₂ (d) Pb(NO₃)₂ Correct Answer: KNO₃Explanation:NO₂ is prepared…

7 years ago

Which of the following is used to prepare Cl₂ gas at room temperature from concentrated HCl Options (a) MnO₂ (b)…

7 years ago

The reaction that takes place when Cl₂ gas is passed through conc.NaOH solution is Options (a) oxidation (b) reduction (c)…

7 years ago

Atoms in a P₄ molecule of white phosphorus are arranged regularly in the following way Options (a) at the corners…

7 years ago

Which of the following is a tribasic acid Options (a) hypophosphorous acid (b) phosphorous acid (c) Orthophosphoric acid (d) pyrophosphoric…

7 years ago